diff --git a/go.mod b/go.mod index fb2efbe2a..18c0efecc 100644 --- a/go.mod +++ b/go.mod @@ -79,6 +79,8 @@ require ( github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 // indirect github.com/itchyny/gojq v0.12.8 // indirect github.com/itchyny/timefmt-go v0.1.3 // indirect + github.com/jackc/pgio v1.0.0 // indirect + github.com/jackc/pgtype v1.14.4 // indirect github.com/jinzhu/inflection v1.0.0 // indirect github.com/jinzhu/now v1.1.5 // indirect github.com/json-iterator/go v1.1.12 // indirect @@ -142,7 +144,7 @@ require ( replace ( github.com/openshift/assisted-service/api => github.com/openshift/assisted-service/api v0.0.0-20251209011235-28a9e58dea34 - github.com/openshift/assisted-service/models => github.com/openshift/assisted-service/models v0.0.0-20251208131030-ae39457e926d + github.com/openshift/assisted-service/models => github.com/openshift/assisted-service/models v0.0.0-20260116093747-92c71df8daee github.com/openshift/cluster-api-provider-agent/api => ./api // CVE-2025-22868 // This is from tag v0.26.openshift.1 diff --git a/go.sum b/go.sum index fc7dd86ab..be63931df 100644 --- a/go.sum +++ b/go.sum @@ -40,6 +40,7 @@ github.com/MakeNowJust/heredoc v1.0.0 h1:cXCdzVdstXyiTqTvfqk9SDHpKNjxuom+DOlyEeQ github.com/MakeNowJust/heredoc v1.0.0/go.mod h1:mG5amYoWBHf8vpLOuehzbGGw0EHxpZZ6lCpQ4fNJ8LE= github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI= github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU= +github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs= github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0= github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM= github.com/Masterminds/sprig/v3 v3.3.0 h1:mQh0Yrg1XPo6vjYXgtf5OtijNAKJRNcTdOOGZe3tPhs= @@ -68,6 +69,7 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5P github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= +github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ= github.com/coredns/caddy v1.1.1 h1:2eYKZT7i6yxIfGP3qLJoJ7HAsDJqYB+X68g4NYjSrE0= github.com/coredns/caddy v1.1.1/go.mod h1:A6ntJQlAWuQfFlsd9hvigKbo2WS0VUs2l1e2F+BawD4= github.com/coredns/corefile-migration v1.0.27 h1:WIIw5sU0LfGgoGnhdrYdVcto/aWmJoGA/C62iwkU0JM= @@ -76,6 +78,8 @@ github.com/coreos/go-json v0.0.0-20211020211907-c63f628265de/go.mod h1:lryFBkhad github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-semver v0.3.1 h1:yi21YpKnrx1gt5R+la8n5WgS0kCrsPp33dmEyHReZr4= github.com/coreos/go-semver v0.3.1/go.mod h1:irMmmIw/7yzSRPWryHsK7EYSg09caPQL03VsM8rvUec= +github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= +github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk= github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs= github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= @@ -85,6 +89,7 @@ github.com/coreos/vcontext v0.0.0-20211021162308-f1dbbca7bef4/go.mod h1:HckqHnP/ github.com/coreos/vcontext v0.0.0-20231102161604-685dc7299dc5 h1:sMZSC2BW5LKCdvNbfN12SbKrNvtLBUNjfHZmMvI2ItY= github.com/coreos/vcontext v0.0.0-20231102161604-685dc7299dc5/go.mod h1:Salmysdw7DAVuobBW/LwsKKgpyCPHUhjyJoMJD+ZJiI= github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g= +github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= @@ -121,6 +126,8 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= +github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY= +github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A= github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas= github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU= github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= @@ -186,6 +193,7 @@ github.com/go-openapi/testify/v2 v2.0.2/go.mod h1:HCPmvFFnheKK2BuwSA0TbbdxJ3I16p github.com/go-openapi/validate v0.24.0 h1:LdfDKwNbpB6Vn40xhTdNZAnfLECL81w+VX3BumrGD58= github.com/go-openapi/validate v0.24.0/go.mod h1:iyeX1sEufmv3nPbBdX3ieNviWnOZaJ1+zquzJEf2BAQ= github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg= +github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I= github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE= github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI= @@ -194,6 +202,7 @@ github.com/gobuffalo/flect v1.0.3 h1:xeWBM2nui+qnVvNM4S3foBhCAL2XgPU+a7FdpelbTq4 github.com/gobuffalo/flect v1.0.3/go.mod h1:A5msMlrHtLqh9umBSnvabjsMrCcCpAyzglnDvkbYKHs= github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= +github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM= github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q= github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= @@ -282,6 +291,56 @@ github.com/itchyny/gojq v0.12.8 h1:Zxcwq8w4IeR8JJYEtoG2MWJZUv0RGY6QqJcO1cqV8+A= github.com/itchyny/gojq v0.12.8/go.mod h1:gE2kZ9fVRU0+JAksaTzjIlgnCa2akU+a1V0WXgJQN5c= github.com/itchyny/timefmt-go v0.1.3 h1:7M3LGVDsqcd0VZH2U+x393obrzZisp7C0uEe921iRkU= github.com/itchyny/timefmt-go v0.1.3/go.mod h1:0osSSCQSASBJMsIZnhAaF1C2fCBTJZXrnj37mG8/c+A= +github.com/jackc/chunkreader v1.0.0 h1:4s39bBR8ByfqH+DKm8rQA3E1LHZWB9XWcrz8fqaZbe0= +github.com/jackc/chunkreader v1.0.0/go.mod h1:RT6O25fNZIuasFJRyZ4R/Y2BbhasbmZXF9QQ7T3kePo= +github.com/jackc/chunkreader/v2 v2.0.0/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk= +github.com/jackc/chunkreader/v2 v2.0.1 h1:i+RDz65UE+mmpjTfyz0MoVTnzeYxroil2G82ki7MGG8= +github.com/jackc/chunkreader/v2 v2.0.1/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk= +github.com/jackc/pgconn v0.0.0-20190420214824-7e0022ef6ba3/go.mod h1:jkELnwuX+w9qN5YIfX0fl88Ehu4XC3keFuOJJk9pcnA= +github.com/jackc/pgconn v0.0.0-20190824142844-760dd75542eb/go.mod h1:lLjNuW/+OfW9/pnVKPazfWOgNfH2aPem8YQ7ilXGvJE= +github.com/jackc/pgconn v0.0.0-20190831204454-2fabfa3c18b7/go.mod h1:ZJKsE/KZfsUgOEh9hBm+xYTstcNHg7UPMVJqRfQxq4s= +github.com/jackc/pgconn v1.8.0/go.mod h1:1C2Pb36bGIP9QHGBYCjnyhqu7Rv3sGshaQUvmfGIB/o= +github.com/jackc/pgconn v1.9.0/go.mod h1:YctiPyvzfU11JFxoXokUOOKQXQmDMoJL9vJzHH8/2JY= +github.com/jackc/pgconn v1.9.1-0.20210724152538-d89c8390a530/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI= +github.com/jackc/pgconn v1.14.3 h1:bVoTr12EGANZz66nZPkMInAV/KHD2TxH9npjXXgiB3w= +github.com/jackc/pgconn v1.14.3/go.mod h1:RZbme4uasqzybK2RK5c65VsHxoyaml09lx3tXOcO/VM= +github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE= +github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8= +github.com/jackc/pgmock v0.0.0-20190831213851-13a1b77aafa2/go.mod h1:fGZlG77KXmcq05nJLRkk0+p82V8B8Dw8KN2/V9c/OAE= +github.com/jackc/pgmock v0.0.0-20201204152224-4fe30f7445fd/go.mod h1:hrBW0Enj2AZTNpt/7Y5rr2xe/9Mn757Wtb2xeBzPv2c= +github.com/jackc/pgmock v0.0.0-20210724152146-4ad1a8207f65/go.mod h1:5R2h2EEX+qri8jOWMbJCtaPWkrrNc7OHwsp2TCqp7ak= +github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM= +github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg= +github.com/jackc/pgproto3 v1.1.0 h1:FYYE4yRw+AgI8wXIinMlNjBbp/UitDJwfj5LqqewP1A= +github.com/jackc/pgproto3 v1.1.0/go.mod h1:eR5FA3leWg7p9aeAqi37XOTgTIbkABlvcPB3E5rlc78= +github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190420180111-c116219b62db/go.mod h1:bhq50y+xrl9n5mRYyCBFKkpRVTLYJVWeCc+mEAI3yXA= +github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190609003834-432c2951c711/go.mod h1:uH0AWtUmuShn0bcesswc4aBTWGvw0cAxIJp+6OB//Wg= +github.com/jackc/pgproto3/v2 v2.0.0-rc3/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvWKnT95C46ckYeM= +github.com/jackc/pgproto3/v2 v2.0.0-rc3.0.20190831210041-4c03ce451f29/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvWKnT95C46ckYeM= +github.com/jackc/pgproto3/v2 v2.0.6/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA= +github.com/jackc/pgproto3/v2 v2.1.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA= 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h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= +github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= +github.com/jackc/puddle v1.1.3/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= +github.com/jackc/puddle v1.3.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E= github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc= github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ= @@ -297,22 +356,34 @@ github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo= github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ= 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github.com/openshift/assisted-service/api v0.0.0-20251209011235-28a9e58dea34 h1:ZPGdYqCGHI8ncEmZ+8lczn8mceuLu8dfnsRgCTjSO4c= github.com/openshift/assisted-service/api v0.0.0-20251209011235-28a9e58dea34/go.mod h1:796XMQuWnc8XIn3CgRJk3m2g5V3wjcUHrsqDEezE/SE= -github.com/openshift/assisted-service/models v0.0.0-20251208131030-ae39457e926d h1:DOJb+R/Hfwc16uqm24OBNj2jUt06KtczoVWwUxWlUyE= -github.com/openshift/assisted-service/models v0.0.0-20251208131030-ae39457e926d/go.mod h1:5EkIueBSaLnt64HR8drgSewdm+GeuE7W5mr9pa2JXXk= +github.com/openshift/assisted-service/models v0.0.0-20260116093747-92c71df8daee h1:fw5l42MKs/iu3UDDkwPjAHLyP31vjKvItaB0a2LETSQ= +github.com/openshift/assisted-service/models v0.0.0-20260116093747-92c71df8daee/go.mod h1:O9D9lUBxsAUC4VjAmrtHuboS5h5rjzmgNhBup3b3PKU= github.com/openshift/custom-resource-status v1.1.3-0.20220503160415-f2fdb4999d87 h1:cHyxR+Y8rAMT6m1jQCaYGRwikqahI0OjjUDhFNf3ySQ= github.com/openshift/custom-resource-status 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h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q= go.mongodb.org/mongo-driver v1.14.0 h1:P98w8egYRjYe3XDjxhYJagTokP/H6HzlsnojRgZRd80= go.mongodb.org/mongo-driver v1.14.0/go.mod h1:Vzb0Mk/pa7e6cWw85R4F/endUC3u0U9jGcNU603k65c= go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU= @@ -461,12 +546,23 @@ go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJr go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs= go.opentelemetry.io/proto/otlp v1.9.0 h1:l706jCMITVouPOqEnii2fIAuO3IVGBRPV5ICjceRb/A= go.opentelemetry.io/proto/otlp v1.9.0/go.mod h1:xE+Cx5E/eEHw+ISFkwPLwCZefwVjY+pqKg1qcK03+/4= +go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= +go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= +go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= +go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= go.uber.org/automaxprocs v1.6.0 h1:O3y2/QNTOdbF+e/dpXNNW7Rx2hZ4sTIPyybbxyNqTUs= go.uber.org/automaxprocs v1.6.0/go.mod h1:ifeIMSnPZuznNm6jmdzmU3/bfk01Fe2fotchwEFJ8r8= go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto= go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE= +go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= +go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4= +go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU= go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0= go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y= +go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA= +go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= +go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= +go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM= go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc= go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E= go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0= @@ -474,10 +570,18 @@ go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8= go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc= go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20190411191339-88737f569e3a/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE= golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= +golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= +golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU= +golang.org/x/crypto v0.20.0/go.mod h1:Xwo95rrVNIoSMx9wa1JroENMToLWn3RNVrTBpLHgZPQ= golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q= golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= @@ -514,6 +618,8 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro= +golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= +golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -525,6 +631,7 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= @@ -540,6 +647,7 @@ golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/ golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= +golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= golang.org/x/net v0.0.0-20210421230115-4e50805a0758/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM= golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk= @@ -547,6 +655,10 @@ golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qx golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20211209124913-491a49abca63/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk= +golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= +golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= +golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg= +golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44= golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY= golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -557,25 +669,34 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I= golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= 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v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -605,10 +726,18 @@ golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBc golang.org/x/sys v0.0.0-20220209214540-3681064d5158/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc= golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks= +golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k= +golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo= +golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk= golang.org/x/term v0.37.0 h1:8EGAD0qCmHYZg6J17DvsMy9/wJ7/D/4pV/wfnld5lTU= golang.org/x/term v0.37.0/go.mod h1:5pB4lxRNYYVZuTLmy8oR2BH8dflOR+IbTYFD8fi3254= golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= @@ -616,9 +745,13 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM= golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= @@ -633,14 +766,18 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= +golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= @@ -648,6 +785,7 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= @@ -673,8 +811,12 @@ golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.6-0.20210820212750-d4cc65f0b2ff/go.mod h1:YD9qOF0M9xpSpdWTBbzEl5e/RnCefISl8E5Noe10jFM= golang.org/x/tools v0.1.9/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ= golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ= +golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -770,6 +912,7 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/evanphx/json-patch.v4 v4.13.0 h1:czT3CmqEaQ1aanPc5SdlgQrrEIb8w/wwCvWWnfEbYzo= gopkg.in/evanphx/json-patch.v4 v4.13.0/go.mod h1:p8EYWUEYMpynmqDbY58zCKCFZw8pRWMG4EsWvDvM72M= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= +gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s= gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc= gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= diff --git a/vendor/github.com/jackc/pgio/.travis.yml b/vendor/github.com/jackc/pgio/.travis.yml new file mode 100644 index 000000000..e176228e8 --- /dev/null +++ b/vendor/github.com/jackc/pgio/.travis.yml @@ -0,0 +1,9 @@ +language: go + +go: + - 1.x + - tip + +matrix: + allow_failures: + - go: tip diff --git a/vendor/github.com/jackc/pgio/LICENSE b/vendor/github.com/jackc/pgio/LICENSE new file mode 100644 index 000000000..c1c4f50fc --- /dev/null +++ b/vendor/github.com/jackc/pgio/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2019 Jack Christensen + +MIT License + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/jackc/pgio/README.md b/vendor/github.com/jackc/pgio/README.md new file mode 100644 index 000000000..1952ed862 --- /dev/null +++ b/vendor/github.com/jackc/pgio/README.md @@ -0,0 +1,11 @@ +[![](https://godoc.org/github.com/jackc/pgio?status.svg)](https://godoc.org/github.com/jackc/pgio) +[![Build Status](https://travis-ci.org/jackc/pgio.svg)](https://travis-ci.org/jackc/pgio) + +# pgio + +Package pgio is a low-level toolkit building messages in the PostgreSQL wire protocol. + +pgio provides functions for appending integers to a []byte while doing byte +order conversion. + +Extracted from original implementation in https://github.com/jackc/pgx. diff --git a/vendor/github.com/jackc/pgio/doc.go b/vendor/github.com/jackc/pgio/doc.go new file mode 100644 index 000000000..ef2dcc7f7 --- /dev/null +++ b/vendor/github.com/jackc/pgio/doc.go @@ -0,0 +1,6 @@ +// Package pgio is a low-level toolkit building messages in the PostgreSQL wire protocol. +/* +pgio provides functions for appending integers to a []byte while doing byte +order conversion. +*/ +package pgio diff --git a/vendor/github.com/jackc/pgio/write.go b/vendor/github.com/jackc/pgio/write.go new file mode 100644 index 000000000..96aedf9dd --- /dev/null +++ b/vendor/github.com/jackc/pgio/write.go @@ -0,0 +1,40 @@ +package pgio + +import "encoding/binary" + +func AppendUint16(buf []byte, n uint16) []byte { + wp := len(buf) + buf = append(buf, 0, 0) + binary.BigEndian.PutUint16(buf[wp:], n) + return buf +} + +func AppendUint32(buf []byte, n uint32) []byte { + wp := len(buf) + buf = append(buf, 0, 0, 0, 0) + binary.BigEndian.PutUint32(buf[wp:], n) + return buf +} + +func AppendUint64(buf []byte, n uint64) []byte { + wp := len(buf) + buf = append(buf, 0, 0, 0, 0, 0, 0, 0, 0) + binary.BigEndian.PutUint64(buf[wp:], n) + return buf +} + +func AppendInt16(buf []byte, n int16) []byte { + return AppendUint16(buf, uint16(n)) +} + +func AppendInt32(buf []byte, n int32) []byte { + return AppendUint32(buf, uint32(n)) +} + +func AppendInt64(buf []byte, n int64) []byte { + return AppendUint64(buf, uint64(n)) +} + +func SetInt32(buf []byte, n int32) { + binary.BigEndian.PutUint32(buf, uint32(n)) +} diff --git a/vendor/github.com/jackc/pgtype/CHANGELOG.md b/vendor/github.com/jackc/pgtype/CHANGELOG.md new file mode 100644 index 000000000..b070ff13f --- /dev/null +++ b/vendor/github.com/jackc/pgtype/CHANGELOG.md @@ -0,0 +1,182 @@ +# 1.14.4 (October 18, 2024) + +* Update pgx to v4.18.3 + +# 1.14.3 (March 12, 2024) + +* Update pgx to v4.18.2 + +# 1.14.2 (February 5, 2024) + +* Fix numeric to float64 conversion (Joe Schafer) + +# 1.14.1 (January 12, 2024) + +* Backport fix numeric to string conversion for small negative values +* Fix EncodeValueText (horpto) +* Fix JSON.UnmarshalJSON to make copy of byte slice (horpto) + +# 1.14.0 (February 11, 2023) + +* Fix: BC timestamp text format support (jozeflami) +* Add Scanner and Valuer interfaces to CIDR (Yurii Popivniak) +* Fix crash when nilifying pointer to sql.Scanner + +# 1.13.0 (December 1, 2022) + +* Fix: Reset jsonb before unmarshal (Tomas Odinas) +* Fix: return correct zero value when UUID conversion fails (ndrpnt) +* Fix: EncodeText for Lseg includes [ and ] +* Support sql Value and Scan for custom date type (Hubert Krauze) +* Support Ltree binary encoding (AmineChikhaoui) +* Fix: dates with "BC" (jozeflami) + +# 1.12.0 (August 6, 2022) + +* Add JSONArray (Jakob Ackermann) +* Support Inet from fmt.Stringer and encoding.TextMarshaler (Ville Skyttä) +* Support UUID from fmt.Stringer interface (Lasse Hyldahl Jensen) +* Fix: shopspring-numeric extension does not panic on NaN +* Numeric can be assigned to string +* Fix: Do not send IPv4 networks as IPv4-mapped IPv6 (William Storey) +* Fix: PlanScan for interface{}(nil) (James Hartig) +* Fix: *sql.Scanner for NULL handling (James Hartig) +* Timestamp[tz].Set() supports string (Harmen) +* Fix: Hstore AssignTo with map of *string (Diego Becciolini) + +# 1.11.0 (April 21, 2022) + +* Add multirange for numeric, int4, and int8 (Vu) +* JSONBArray now supports json.RawMessage (Jens Emil Schulz Østergaard) +* Add RecordArray (WGH) +* Add UnmarshalJSON to pgtype.Int2 +* Hstore.Set accepts map[string]Text + +# 1.10.0 (February 7, 2022) + +* Normalize UTC timestamps to comply with stdlib (Torkel Rogstad) +* Assign Numeric to *big.Rat (Oleg Lomaka) +* Fix typo in float8 error message (Pinank Solanki) +* Scan type aliases for floating point types (Collin Forsyth) + +# 1.9.1 (November 28, 2021) + +* Fix: binary timestamp is assumed to be in UTC (restored behavior changed in v1.9.0) + +# 1.9.0 (November 20, 2021) + +* Fix binary hstore null decoding +* Add shopspring/decimal.NullDecimal support to integration (Eli Treuherz) +* Inet.Set supports bare IP address (Carl Dunham) +* Add zeronull.Float8 +* Fix NULL being lost when scanning unknown OID into sql.Scanner +* Fix BPChar.AssignTo **rune +* Add support for fmt.Stringer and driver.Valuer in String fields encoding (Jan Dubsky) +* Fix really big timestamp(tz)s binary format parsing (e.g. year 294276) (Jim Tsao) +* Support `map[string]*string` as hstore (Adrian Sieger) +* Fix parsing text array with negative bounds +* Add infinity support for numeric (Jim Tsao) + +# 1.8.1 (July 24, 2021) + +* Cleaned up Go module dependency chain + +# 1.8.0 (July 10, 2021) + +* Maintain host bits for inet types (Cameron Daniel) +* Support pointers of wrapping structs (Ivan Daunis) +* Register JSONBArray at NewConnInfo() (Rueian) +* CompositeTextScanner handles backslash escapes + +# 1.7.0 (March 25, 2021) + +* Fix scanning int into **sql.Scanner implementor +* Add tsrange array type (Vasilii Novikov) +* Fix: escaped strings when they start or end with a newline char (Stephane Martin) +* Accept nil *time.Time in Time.Set +* Fix numeric NaN support +* Use Go 1.13 errors instead of xerrors + +# 1.6.2 (December 3, 2020) + +* Fix panic on assigning empty array to non-slice or array +* Fix text array parsing disambiguates NULL and "NULL" +* Fix Timestamptz.DecodeText with too short text + +# 1.6.1 (October 31, 2020) + +* Fix simple protocol empty array support + +# 1.6.0 (October 24, 2020) + +* Fix AssignTo pointer to pointer to slice and named types. +* Fix zero length array assignment (Simo Haasanen) +* Add float64, float32 convert to int2, int4, int8 (lqu3j) +* Support setting infinite timestamps (Erik Agsjö) +* Polygon improvements (duohedron) +* Fix Inet.Set with nil (Tomas Volf) + +# 1.5.0 (September 26, 2020) + +* Add slice of slice mapping to multi-dimensional arrays (Simo Haasanen) +* Fix JSONBArray +* Fix selecting empty array +* Text formatted values except bytea can be directly scanned to []byte +* Add JSON marshalling for UUID (bakmataliev) +* Improve point type conversions (bakmataliev) + +# 1.4.2 (July 22, 2020) + +* Fix encoding of a large composite data type (Yaz Saito) + +# 1.4.1 (July 14, 2020) + +* Fix ArrayType DecodeBinary empty array breaks future reads + +# 1.4.0 (June 27, 2020) + +* Add JSON support to ext/gofrs-uuid +* Performance improvements in Scan path +* Improved ext/shopspring-numeric binary decoding performance +* Add composite type support (Maxim Ivanov and Jack Christensen) +* Add better generic enum type support +* Add generic array type support +* Clarify and normalize Value semantics +* Fix hstore with empty string values +* Numeric supports NaN values (leighhopcroft) +* Add slice of pointer support to array types (megaturbo) +* Add jsonb array type (tserakhau) +* Allow converting intervals with months and days to duration + +# 1.3.0 (March 30, 2020) + +* Get implemented on T instead of *T +* Set will call Get on src if possible +* Range types Set method supports its own type, string, and nil +* Date.Set parses string +* Fix correct format verb for unknown type error (Robert Welin) +* Truncate nanoseconds in EncodeText for Timestamptz and Timestamp + +# 1.2.0 (February 5, 2020) + +* Add zeronull package for easier NULL <-> zero conversion +* Add JSON marshalling for shopspring-numeric extension +* Add JSON marshalling for Bool, Date, JSON/B, Timestamptz (Jeffrey Stiles) +* Fix null status in UnmarshalJSON for some types (Jeffrey Stiles) + +# 1.1.0 (January 11, 2020) + +* Add PostgreSQL time type support +* Add more automatic conversions of integer arrays of different types (Jean-Philippe Quéméner) + +# 1.0.3 (November 16, 2019) + +* Support initializing Array types from a slice of the value (Alex Gaynor) + +# 1.0.2 (October 22, 2019) + +* Fix scan into null into pointer to pointer implementing Decode* interface. (Jeremy Altavilla) + +# 1.0.1 (September 19, 2019) + +* Fix daterange OID diff --git a/vendor/github.com/jackc/pgtype/LICENSE b/vendor/github.com/jackc/pgtype/LICENSE new file mode 100644 index 000000000..5c486c39a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2013-2021 Jack Christensen + +MIT License + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/jackc/pgtype/README.md b/vendor/github.com/jackc/pgtype/README.md new file mode 100644 index 000000000..a53baf8ec --- /dev/null +++ b/vendor/github.com/jackc/pgtype/README.md @@ -0,0 +1,15 @@ +[![](https://godoc.org/github.com/jackc/pgtype?status.svg)](https://godoc.org/github.com/jackc/pgtype) +![CI](https://github.com/jackc/pgtype/workflows/CI/badge.svg) + +--- + +This version is used with pgx `v4`. In pgx `v5` it is part of the https://github.com/jackc/pgx repository. Only bug +fixes will be made to this version. New features will only be considered for the current release. + +--- + +# pgtype + +pgtype implements Go types for over 70 PostgreSQL types. pgtype is the type system underlying the +https://github.com/jackc/pgx PostgreSQL driver. These types support the binary format for enhanced performance with pgx. +They also support the database/sql `Scan` and `Value` interfaces and can be used with https://github.com/lib/pq. diff --git a/vendor/github.com/jackc/pgtype/aclitem.go b/vendor/github.com/jackc/pgtype/aclitem.go new file mode 100644 index 000000000..9f6587be7 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/aclitem.go @@ -0,0 +1,138 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" +) + +// ACLItem is used for PostgreSQL's aclitem data type. A sample aclitem +// might look like this: +// +// postgres=arwdDxt/postgres +// +// Note, however, that because the user/role name part of an aclitem is +// an identifier, it follows all the usual formatting rules for SQL +// identifiers: if it contains spaces and other special characters, +// it should appear in double-quotes: +// +// postgres=arwdDxt/"role with spaces" +// +type ACLItem struct { + String string + Status Status +} + +func (dst *ACLItem) Set(src interface{}) error { + if src == nil { + *dst = ACLItem{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case string: + *dst = ACLItem{String: value, Status: Present} + case *string: + if value == nil { + *dst = ACLItem{Status: Null} + } else { + *dst = ACLItem{String: *value, Status: Present} + } + default: + if originalSrc, ok := underlyingStringType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to ACLItem", value) + } + + return nil +} + +func (dst ACLItem) Get() interface{} { + switch dst.Status { + case Present: + return dst.String + case Null: + return nil + default: + return dst.Status + } +} + +func (src *ACLItem) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *string: + *v = src.String + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *ACLItem) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = ACLItem{Status: Null} + return nil + } + + *dst = ACLItem{String: string(src), Status: Present} + return nil +} + +func (src ACLItem) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.String...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *ACLItem) Scan(src interface{}) error { + if src == nil { + *dst = ACLItem{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src ACLItem) Value() (driver.Value, error) { + switch src.Status { + case Present: + return src.String, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} diff --git a/vendor/github.com/jackc/pgtype/aclitem_array.go b/vendor/github.com/jackc/pgtype/aclitem_array.go new file mode 100644 index 000000000..4e3be3bda --- /dev/null +++ b/vendor/github.com/jackc/pgtype/aclitem_array.go @@ -0,0 +1,428 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "fmt" + "reflect" +) + +type ACLItemArray struct { + Elements []ACLItem + Dimensions []ArrayDimension + Status Status +} + +func (dst *ACLItemArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = ACLItemArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = ACLItemArray{Status: Null} + } else if len(value) == 0 { + *dst = ACLItemArray{Status: Present} + } else { + elements := make([]ACLItem, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = ACLItemArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*string: + if value == nil { + *dst = ACLItemArray{Status: Null} + } else if len(value) == 0 { + *dst = ACLItemArray{Status: Present} + } else { + elements := make([]ACLItem, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = ACLItemArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []ACLItem: + if value == nil { + *dst = ACLItemArray{Status: Null} + } else if len(value) == 0 { + *dst = ACLItemArray{Status: Present} + } else { + *dst = ACLItemArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = ACLItemArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for ACLItemArray", src) + } + if elementsLength == 0 { + *dst = ACLItemArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to ACLItemArray", src) + } + + *dst = ACLItemArray{ + Elements: make([]ACLItem, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]ACLItem, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to ACLItemArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *ACLItemArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to ACLItemArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in ACLItemArray", err) + } + index++ + + return index, nil +} + +func (dst ACLItemArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *ACLItemArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*string: + *v = make([]*string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *ACLItemArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from ACLItemArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from ACLItemArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *ACLItemArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = ACLItemArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []ACLItem + + if len(uta.Elements) > 0 { + elements = make([]ACLItem, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem ACLItem + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = ACLItemArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (src ACLItemArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *ACLItemArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src ACLItemArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/array.go b/vendor/github.com/jackc/pgtype/array.go new file mode 100644 index 000000000..4c06686bc --- /dev/null +++ b/vendor/github.com/jackc/pgtype/array.go @@ -0,0 +1,381 @@ +package pgtype + +import ( + "bytes" + "encoding/binary" + "fmt" + "io" + "reflect" + "strconv" + "strings" + "unicode" + + "github.com/jackc/pgio" +) + +// Information on the internals of PostgreSQL arrays can be found in +// src/include/utils/array.h and src/backend/utils/adt/arrayfuncs.c. Of +// particular interest is the array_send function. + +type ArrayHeader struct { + ContainsNull bool + ElementOID int32 + Dimensions []ArrayDimension +} + +type ArrayDimension struct { + Length int32 + LowerBound int32 +} + +func (dst *ArrayHeader) DecodeBinary(ci *ConnInfo, src []byte) (int, error) { + if len(src) < 12 { + return 0, fmt.Errorf("array header too short: %d", len(src)) + } + + rp := 0 + + numDims := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + dst.ContainsNull = binary.BigEndian.Uint32(src[rp:]) == 1 + rp += 4 + + dst.ElementOID = int32(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + if numDims > 0 { + dst.Dimensions = make([]ArrayDimension, numDims) + } + if len(src) < 12+numDims*8 { + return 0, fmt.Errorf("array header too short for %d dimensions: %d", numDims, len(src)) + } + for i := range dst.Dimensions { + dst.Dimensions[i].Length = int32(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + dst.Dimensions[i].LowerBound = int32(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + } + + return rp, nil +} + +func (src ArrayHeader) EncodeBinary(ci *ConnInfo, buf []byte) []byte { + buf = pgio.AppendInt32(buf, int32(len(src.Dimensions))) + + var containsNull int32 + if src.ContainsNull { + containsNull = 1 + } + buf = pgio.AppendInt32(buf, containsNull) + + buf = pgio.AppendInt32(buf, src.ElementOID) + + for i := range src.Dimensions { + buf = pgio.AppendInt32(buf, src.Dimensions[i].Length) + buf = pgio.AppendInt32(buf, src.Dimensions[i].LowerBound) + } + + return buf +} + +type UntypedTextArray struct { + Elements []string + Quoted []bool + Dimensions []ArrayDimension +} + +func ParseUntypedTextArray(src string) (*UntypedTextArray, error) { + dst := &UntypedTextArray{} + + buf := bytes.NewBufferString(src) + + skipWhitespace(buf) + + r, _, err := buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + var explicitDimensions []ArrayDimension + + // Array has explicit dimensions + if r == '[' { + buf.UnreadRune() + + for { + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + if r == '=' { + break + } else if r != '[' { + return nil, fmt.Errorf("invalid array, expected '[' or '=' got %v", r) + } + + lower, err := arrayParseInteger(buf) + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + if r != ':' { + return nil, fmt.Errorf("invalid array, expected ':' got %v", r) + } + + upper, err := arrayParseInteger(buf) + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + if r != ']' { + return nil, fmt.Errorf("invalid array, expected ']' got %v", r) + } + + explicitDimensions = append(explicitDimensions, ArrayDimension{LowerBound: lower, Length: upper - lower + 1}) + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + } + + if r != '{' { + return nil, fmt.Errorf("invalid array, expected '{': %v", err) + } + + implicitDimensions := []ArrayDimension{{LowerBound: 1, Length: 0}} + + // Consume all initial opening brackets. This provides number of dimensions. + for { + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + if r == '{' { + implicitDimensions[len(implicitDimensions)-1].Length = 1 + implicitDimensions = append(implicitDimensions, ArrayDimension{LowerBound: 1}) + } else { + buf.UnreadRune() + break + } + } + currentDim := len(implicitDimensions) - 1 + counterDim := currentDim + + for { + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + switch r { + case '{': + if currentDim == counterDim { + implicitDimensions[currentDim].Length++ + } + currentDim++ + case ',': + case '}': + currentDim-- + if currentDim < counterDim { + counterDim = currentDim + } + default: + buf.UnreadRune() + value, quoted, err := arrayParseValue(buf) + if err != nil { + return nil, fmt.Errorf("invalid array value: %v", err) + } + if currentDim == counterDim { + implicitDimensions[currentDim].Length++ + } + dst.Quoted = append(dst.Quoted, quoted) + dst.Elements = append(dst.Elements, value) + } + + if currentDim < 0 { + break + } + } + + skipWhitespace(buf) + + if buf.Len() > 0 { + return nil, fmt.Errorf("unexpected trailing data: %v", buf.String()) + } + + if len(dst.Elements) == 0 { + dst.Dimensions = nil + } else if len(explicitDimensions) > 0 { + dst.Dimensions = explicitDimensions + } else { + dst.Dimensions = implicitDimensions + } + + return dst, nil +} + +func skipWhitespace(buf *bytes.Buffer) { + var r rune + var err error + for r, _, _ = buf.ReadRune(); unicode.IsSpace(r); r, _, _ = buf.ReadRune() { + } + + if err != io.EOF { + buf.UnreadRune() + } +} + +func arrayParseValue(buf *bytes.Buffer) (string, bool, error) { + r, _, err := buf.ReadRune() + if err != nil { + return "", false, err + } + if r == '"' { + return arrayParseQuotedValue(buf) + } + buf.UnreadRune() + + s := &bytes.Buffer{} + + for { + r, _, err := buf.ReadRune() + if err != nil { + return "", false, err + } + + switch r { + case ',', '}': + buf.UnreadRune() + return s.String(), false, nil + } + + s.WriteRune(r) + } +} + +func arrayParseQuotedValue(buf *bytes.Buffer) (string, bool, error) { + s := &bytes.Buffer{} + + for { + r, _, err := buf.ReadRune() + if err != nil { + return "", false, err + } + + switch r { + case '\\': + r, _, err = buf.ReadRune() + if err != nil { + return "", false, err + } + case '"': + _, _, err = buf.ReadRune() + if err != nil { + return "", false, err + } + buf.UnreadRune() + return s.String(), true, nil + } + s.WriteRune(r) + } +} + +func arrayParseInteger(buf *bytes.Buffer) (int32, error) { + s := &bytes.Buffer{} + + for { + r, _, err := buf.ReadRune() + if err != nil { + return 0, err + } + + if ('0' <= r && r <= '9') || r == '-' { + s.WriteRune(r) + } else { + buf.UnreadRune() + n, err := strconv.ParseInt(s.String(), 10, 32) + if err != nil { + return 0, err + } + return int32(n), nil + } + } +} + +func EncodeTextArrayDimensions(buf []byte, dimensions []ArrayDimension) []byte { + var customDimensions bool + for _, dim := range dimensions { + if dim.LowerBound != 1 { + customDimensions = true + } + } + + if !customDimensions { + return buf + } + + for _, dim := range dimensions { + buf = append(buf, '[') + buf = append(buf, strconv.FormatInt(int64(dim.LowerBound), 10)...) + buf = append(buf, ':') + buf = append(buf, strconv.FormatInt(int64(dim.LowerBound+dim.Length-1), 10)...) + buf = append(buf, ']') + } + + return append(buf, '=') +} + +var quoteArrayReplacer = strings.NewReplacer(`\`, `\\`, `"`, `\"`) + +func quoteArrayElement(src string) string { + return `"` + quoteArrayReplacer.Replace(src) + `"` +} + +func isSpace(ch byte) bool { + // see https://github.com/postgres/postgres/blob/REL_12_STABLE/src/backend/parser/scansup.c#L224 + return ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r' || ch == '\f' +} + +func QuoteArrayElementIfNeeded(src string) string { + if src == "" || (len(src) == 4 && strings.ToLower(src) == "null") || isSpace(src[0]) || isSpace(src[len(src)-1]) || strings.ContainsAny(src, `{},"\`) { + return quoteArrayElement(src) + } + return src +} + +func findDimensionsFromValue(value reflect.Value, dimensions []ArrayDimension, elementsLength int) ([]ArrayDimension, int, bool) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + length := value.Len() + if 0 == elementsLength { + elementsLength = length + } else { + elementsLength *= length + } + dimensions = append(dimensions, ArrayDimension{Length: int32(length), LowerBound: 1}) + for i := 0; i < length; i++ { + if d, l, ok := findDimensionsFromValue(value.Index(i), dimensions, elementsLength); ok { + return d, l, true + } + } + } + return dimensions, elementsLength, true +} diff --git a/vendor/github.com/jackc/pgtype/array_type.go b/vendor/github.com/jackc/pgtype/array_type.go new file mode 100644 index 000000000..714665544 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/array_type.go @@ -0,0 +1,353 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +// ArrayType represents an array type. While it implements Value, this is only in service of its type conversion duties +// when registered as a data type in a ConnType. It should not be used directly as a Value. ArrayType is a convenience +// type for types that do not have a concrete array type. +type ArrayType struct { + elements []ValueTranscoder + dimensions []ArrayDimension + + typeName string + newElement func() ValueTranscoder + + elementOID uint32 + status Status +} + +func NewArrayType(typeName string, elementOID uint32, newElement func() ValueTranscoder) *ArrayType { + return &ArrayType{typeName: typeName, elementOID: elementOID, newElement: newElement} +} + +func (at *ArrayType) NewTypeValue() Value { + return &ArrayType{ + elements: at.elements, + dimensions: at.dimensions, + status: at.status, + + typeName: at.typeName, + elementOID: at.elementOID, + newElement: at.newElement, + } +} + +func (at *ArrayType) TypeName() string { + return at.typeName +} + +func (dst *ArrayType) setNil() { + dst.elements = nil + dst.dimensions = nil + dst.status = Null +} + +func (dst *ArrayType) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + dst.setNil() + return nil + } + + sliceVal := reflect.ValueOf(src) + if sliceVal.Kind() != reflect.Slice { + return fmt.Errorf("cannot set non-slice") + } + + if sliceVal.IsNil() { + dst.setNil() + return nil + } + + dst.elements = make([]ValueTranscoder, sliceVal.Len()) + for i := range dst.elements { + v := dst.newElement() + err := v.Set(sliceVal.Index(i).Interface()) + if err != nil { + return err + } + + dst.elements[i] = v + } + dst.dimensions = []ArrayDimension{{Length: int32(len(dst.elements)), LowerBound: 1}} + dst.status = Present + + return nil +} + +func (dst ArrayType) Get() interface{} { + switch dst.status { + case Present: + elementValues := make([]interface{}, len(dst.elements)) + for i := range dst.elements { + elementValues[i] = dst.elements[i].Get() + } + return elementValues + case Null: + return nil + default: + return dst.status + } +} + +func (src *ArrayType) AssignTo(dst interface{}) error { + ptrSlice := reflect.ValueOf(dst) + if ptrSlice.Kind() != reflect.Ptr { + return fmt.Errorf("cannot assign to non-pointer") + } + + sliceVal := ptrSlice.Elem() + sliceType := sliceVal.Type() + + if sliceType.Kind() != reflect.Slice { + return fmt.Errorf("cannot assign to pointer to non-slice") + } + + switch src.status { + case Present: + slice := reflect.MakeSlice(sliceType, len(src.elements), len(src.elements)) + elemType := sliceType.Elem() + + for i := range src.elements { + ptrElem := reflect.New(elemType) + err := src.elements[i].AssignTo(ptrElem.Interface()) + if err != nil { + return err + } + + slice.Index(i).Set(ptrElem.Elem()) + } + + sliceVal.Set(slice) + return nil + case Null: + sliceVal.Set(reflect.Zero(sliceType)) + return nil + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *ArrayType) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + dst.setNil() + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []ValueTranscoder + + if len(uta.Elements) > 0 { + elements = make([]ValueTranscoder, len(uta.Elements)) + + for i, s := range uta.Elements { + elem := dst.newElement() + var elemSrc []byte + if s != "NULL" { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + dst.elements = elements + dst.dimensions = uta.Dimensions + dst.status = Present + + return nil +} + +func (dst *ArrayType) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + dst.setNil() + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + var elements []ValueTranscoder + + if len(arrayHeader.Dimensions) == 0 { + dst.elements = elements + dst.dimensions = arrayHeader.Dimensions + dst.status = Present + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements = make([]ValueTranscoder, elementCount) + + for i := range elements { + elem := dst.newElement() + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elem.DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + + dst.elements = elements + dst.dimensions = arrayHeader.Dimensions + dst.status = Present + + return nil +} + +func (src ArrayType) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.dimensions)) + dimElemCounts[len(src.dimensions)-1] = int(src.dimensions[len(src.dimensions)-1].Length) + for i := len(src.dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src ArrayType) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.dimensions, + ElementOID: int32(src.elementOID), + } + + for i := range src.elements { + if src.elements[i].Get() == nil { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *ArrayType) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src ArrayType) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/bit.go b/vendor/github.com/jackc/pgtype/bit.go new file mode 100644 index 000000000..c1709e6b9 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bit.go @@ -0,0 +1,45 @@ +package pgtype + +import ( + "database/sql/driver" +) + +type Bit Varbit + +func (dst *Bit) Set(src interface{}) error { + return (*Varbit)(dst).Set(src) +} + +func (dst Bit) Get() interface{} { + return (Varbit)(dst).Get() +} + +func (src *Bit) AssignTo(dst interface{}) error { + return (*Varbit)(src).AssignTo(dst) +} + +func (dst *Bit) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Varbit)(dst).DecodeBinary(ci, src) +} + +func (src Bit) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Varbit)(src).EncodeBinary(ci, buf) +} + +func (dst *Bit) DecodeText(ci *ConnInfo, src []byte) error { + return (*Varbit)(dst).DecodeText(ci, src) +} + +func (src Bit) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Varbit)(src).EncodeText(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *Bit) Scan(src interface{}) error { + return (*Varbit)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Bit) Value() (driver.Value, error) { + return (Varbit)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/bool.go b/vendor/github.com/jackc/pgtype/bool.go new file mode 100644 index 000000000..676c8e5d3 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bool.go @@ -0,0 +1,217 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/json" + "fmt" + "strconv" +) + +type Bool struct { + Bool bool + Status Status +} + +func (dst *Bool) Set(src interface{}) error { + if src == nil { + *dst = Bool{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case bool: + *dst = Bool{Bool: value, Status: Present} + case string: + bb, err := strconv.ParseBool(value) + if err != nil { + return err + } + *dst = Bool{Bool: bb, Status: Present} + case *bool: + if value == nil { + *dst = Bool{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Bool{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingBoolType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Bool", value) + } + + return nil +} + +func (dst Bool) Get() interface{} { + switch dst.Status { + case Present: + return dst.Bool + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Bool) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *bool: + *v = src.Bool + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Bool) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Bool{Status: Null} + return nil + } + + if len(src) != 1 { + return fmt.Errorf("invalid length for bool: %v", len(src)) + } + + *dst = Bool{Bool: src[0] == 't', Status: Present} + return nil +} + +func (dst *Bool) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Bool{Status: Null} + return nil + } + + if len(src) != 1 { + return fmt.Errorf("invalid length for bool: %v", len(src)) + } + + *dst = Bool{Bool: src[0] == 1, Status: Present} + return nil +} + +func (src Bool) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if src.Bool { + buf = append(buf, 't') + } else { + buf = append(buf, 'f') + } + + return buf, nil +} + +func (src Bool) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if src.Bool { + buf = append(buf, 1) + } else { + buf = append(buf, 0) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Bool) Scan(src interface{}) error { + if src == nil { + *dst = Bool{Status: Null} + return nil + } + + switch src := src.(type) { + case bool: + *dst = Bool{Bool: src, Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Bool) Value() (driver.Value, error) { + switch src.Status { + case Present: + return src.Bool, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Bool) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + if src.Bool { + return []byte("true"), nil + } else { + return []byte("false"), nil + } + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + return nil, errBadStatus +} + +func (dst *Bool) UnmarshalJSON(b []byte) error { + var v *bool + err := json.Unmarshal(b, &v) + if err != nil { + return err + } + + if v == nil { + *dst = Bool{Status: Null} + } else { + *dst = Bool{Bool: *v, Status: Present} + } + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/bool_array.go b/vendor/github.com/jackc/pgtype/bool_array.go new file mode 100644 index 000000000..6558d971c --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bool_array.go @@ -0,0 +1,517 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type BoolArray struct { + Elements []Bool + Dimensions []ArrayDimension + Status Status +} + +func (dst *BoolArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = BoolArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []bool: + if value == nil { + *dst = BoolArray{Status: Null} + } else if len(value) == 0 { + *dst = BoolArray{Status: Present} + } else { + elements := make([]Bool, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = BoolArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*bool: + if value == nil { + *dst = BoolArray{Status: Null} + } else if len(value) == 0 { + *dst = BoolArray{Status: Present} + } else { + elements := make([]Bool, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = BoolArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Bool: + if value == nil { + *dst = BoolArray{Status: Null} + } else if len(value) == 0 { + *dst = BoolArray{Status: Present} + } else { + *dst = BoolArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = BoolArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for BoolArray", src) + } + if elementsLength == 0 { + *dst = BoolArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to BoolArray", src) + } + + *dst = BoolArray{ + Elements: make([]Bool, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Bool, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to BoolArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *BoolArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to BoolArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in BoolArray", err) + } + index++ + + return index, nil +} + +func (dst BoolArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *BoolArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]bool: + *v = make([]bool, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*bool: + *v = make([]*bool, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *BoolArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from BoolArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from BoolArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *BoolArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = BoolArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Bool + + if len(uta.Elements) > 0 { + elements = make([]Bool, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Bool + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = BoolArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *BoolArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = BoolArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = BoolArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Bool, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = BoolArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src BoolArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src BoolArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("bool"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "bool") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *BoolArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src BoolArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/box.go b/vendor/github.com/jackc/pgtype/box.go new file mode 100644 index 000000000..27fb829ee --- /dev/null +++ b/vendor/github.com/jackc/pgtype/box.go @@ -0,0 +1,165 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Box struct { + P [2]Vec2 + Status Status +} + +func (dst *Box) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to Box", src) +} + +func (dst Box) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Box) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Box) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Box{Status: Null} + return nil + } + + if len(src) < 11 { + return fmt.Errorf("invalid length for Box: %v", len(src)) + } + + str := string(src[1:]) + + var end int + end = strings.IndexByte(str, ',') + + x1, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1:] + end = strings.IndexByte(str, ')') + + y1, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+3:] + end = strings.IndexByte(str, ',') + + x2, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1 : len(str)-1] + + y2, err := strconv.ParseFloat(str, 64) + if err != nil { + return err + } + + *dst = Box{P: [2]Vec2{{x1, y1}, {x2, y2}}, Status: Present} + return nil +} + +func (dst *Box) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Box{Status: Null} + return nil + } + + if len(src) != 32 { + return fmt.Errorf("invalid length for Box: %v", len(src)) + } + + x1 := binary.BigEndian.Uint64(src) + y1 := binary.BigEndian.Uint64(src[8:]) + x2 := binary.BigEndian.Uint64(src[16:]) + y2 := binary.BigEndian.Uint64(src[24:]) + + *dst = Box{ + P: [2]Vec2{ + {math.Float64frombits(x1), math.Float64frombits(y1)}, + {math.Float64frombits(x2), math.Float64frombits(y2)}, + }, + Status: Present, + } + return nil +} + +func (src Box) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, fmt.Sprintf(`(%s,%s),(%s,%s)`, + strconv.FormatFloat(src.P[0].X, 'f', -1, 64), + strconv.FormatFloat(src.P[0].Y, 'f', -1, 64), + strconv.FormatFloat(src.P[1].X, 'f', -1, 64), + strconv.FormatFloat(src.P[1].Y, 'f', -1, 64), + )...) + return buf, nil +} + +func (src Box) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[0].X)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[0].Y)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[1].X)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[1].Y)) + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Box) Scan(src interface{}) error { + if src == nil { + *dst = Box{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Box) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/bpchar.go b/vendor/github.com/jackc/pgtype/bpchar.go new file mode 100644 index 000000000..c5fa42eac --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bpchar.go @@ -0,0 +1,93 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" +) + +// BPChar is fixed-length, blank padded char type +// character(n), char(n) +type BPChar Text + +// Set converts from src to dst. +func (dst *BPChar) Set(src interface{}) error { + return (*Text)(dst).Set(src) +} + +// Get returns underlying value +func (dst BPChar) Get() interface{} { + return (Text)(dst).Get() +} + +// AssignTo assigns from src to dst. +func (src *BPChar) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *rune: + runes := []rune(src.String) + if len(runes) == 1 { + *v = runes[0] + return nil + } + case *string: + *v = src.String + return nil + case *[]byte: + *v = make([]byte, len(src.String)) + copy(*v, src.String) + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (BPChar) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *BPChar) DecodeText(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeText(ci, src) +} + +func (dst *BPChar) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeBinary(ci, src) +} + +func (BPChar) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (src BPChar) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeText(ci, buf) +} + +func (src BPChar) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *BPChar) Scan(src interface{}) error { + return (*Text)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src BPChar) Value() (driver.Value, error) { + return (Text)(src).Value() +} + +func (src BPChar) MarshalJSON() ([]byte, error) { + return (Text)(src).MarshalJSON() +} + +func (dst *BPChar) UnmarshalJSON(b []byte) error { + return (*Text)(dst).UnmarshalJSON(b) +} diff --git a/vendor/github.com/jackc/pgtype/bpchar_array.go b/vendor/github.com/jackc/pgtype/bpchar_array.go new file mode 100644 index 000000000..8e7922142 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bpchar_array.go @@ -0,0 +1,517 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type BPCharArray struct { + Elements []BPChar + Dimensions []ArrayDimension + Status Status +} + +func (dst *BPCharArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = BPCharArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = BPCharArray{Status: Null} + } else if len(value) == 0 { + *dst = BPCharArray{Status: Present} + } else { + elements := make([]BPChar, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = BPCharArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*string: + if value == nil { + *dst = BPCharArray{Status: Null} + } else if len(value) == 0 { + *dst = BPCharArray{Status: Present} + } else { + elements := make([]BPChar, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = BPCharArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []BPChar: + if value == nil { + *dst = BPCharArray{Status: Null} + } else if len(value) == 0 { + *dst = BPCharArray{Status: Present} + } else { + *dst = BPCharArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = BPCharArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for BPCharArray", src) + } + if elementsLength == 0 { + *dst = BPCharArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to BPCharArray", src) + } + + *dst = BPCharArray{ + Elements: make([]BPChar, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]BPChar, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to BPCharArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *BPCharArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to BPCharArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in BPCharArray", err) + } + index++ + + return index, nil +} + +func (dst BPCharArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *BPCharArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*string: + *v = make([]*string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *BPCharArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from BPCharArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from BPCharArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *BPCharArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = BPCharArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []BPChar + + if len(uta.Elements) > 0 { + elements = make([]BPChar, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem BPChar + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = BPCharArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *BPCharArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = BPCharArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = BPCharArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]BPChar, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = BPCharArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src BPCharArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src BPCharArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("bpchar"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "bpchar") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *BPCharArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src BPCharArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/bytea.go b/vendor/github.com/jackc/pgtype/bytea.go new file mode 100644 index 000000000..67eba3502 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bytea.go @@ -0,0 +1,163 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/hex" + "fmt" +) + +type Bytea struct { + Bytes []byte + Status Status +} + +func (dst *Bytea) Set(src interface{}) error { + if src == nil { + *dst = Bytea{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case []byte: + if value != nil { + *dst = Bytea{Bytes: value, Status: Present} + } else { + *dst = Bytea{Status: Null} + } + default: + if originalSrc, ok := underlyingBytesType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Bytea", value) + } + + return nil +} + +func (dst Bytea) Get() interface{} { + switch dst.Status { + case Present: + return dst.Bytes + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Bytea) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *[]byte: + buf := make([]byte, len(src.Bytes)) + copy(buf, src.Bytes) + *v = buf + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +// DecodeText only supports the hex format. This has been the default since +// PostgreSQL 9.0. +func (dst *Bytea) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Bytea{Status: Null} + return nil + } + + if len(src) < 2 || src[0] != '\\' || src[1] != 'x' { + return fmt.Errorf("invalid hex format") + } + + buf := make([]byte, (len(src)-2)/2) + _, err := hex.Decode(buf, src[2:]) + if err != nil { + return err + } + + *dst = Bytea{Bytes: buf, Status: Present} + return nil +} + +func (dst *Bytea) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Bytea{Status: Null} + return nil + } + + *dst = Bytea{Bytes: src, Status: Present} + return nil +} + +func (src Bytea) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, `\x`...) + buf = append(buf, hex.EncodeToString(src.Bytes)...) + return buf, nil +} + +func (src Bytea) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.Bytes...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Bytea) Scan(src interface{}) error { + if src == nil { + *dst = Bytea{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + buf := make([]byte, len(src)) + copy(buf, src) + *dst = Bytea{Bytes: buf, Status: Present} + return nil + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Bytea) Value() (driver.Value, error) { + switch src.Status { + case Present: + return src.Bytes, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} diff --git a/vendor/github.com/jackc/pgtype/bytea_array.go b/vendor/github.com/jackc/pgtype/bytea_array.go new file mode 100644 index 000000000..69d1ceb98 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/bytea_array.go @@ -0,0 +1,489 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type ByteaArray struct { + Elements []Bytea + Dimensions []ArrayDimension + Status Status +} + +func (dst *ByteaArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = ByteaArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case [][]byte: + if value == nil { + *dst = ByteaArray{Status: Null} + } else if len(value) == 0 { + *dst = ByteaArray{Status: Present} + } else { + elements := make([]Bytea, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = ByteaArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Bytea: + if value == nil { + *dst = ByteaArray{Status: Null} + } else if len(value) == 0 { + *dst = ByteaArray{Status: Present} + } else { + *dst = ByteaArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = ByteaArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for ByteaArray", src) + } + if elementsLength == 0 { + *dst = ByteaArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to ByteaArray", src) + } + + *dst = ByteaArray{ + Elements: make([]Bytea, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Bytea, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to ByteaArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *ByteaArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to ByteaArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in ByteaArray", err) + } + index++ + + return index, nil +} + +func (dst ByteaArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *ByteaArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[][]byte: + *v = make([][]byte, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *ByteaArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from ByteaArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from ByteaArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *ByteaArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = ByteaArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Bytea + + if len(uta.Elements) > 0 { + elements = make([]Bytea, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Bytea + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = ByteaArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *ByteaArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = ByteaArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = ByteaArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Bytea, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = ByteaArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src ByteaArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src ByteaArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("bytea"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "bytea") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *ByteaArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src ByteaArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/cid.go b/vendor/github.com/jackc/pgtype/cid.go new file mode 100644 index 000000000..b944748c7 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/cid.go @@ -0,0 +1,61 @@ +package pgtype + +import ( + "database/sql/driver" +) + +// CID is PostgreSQL's Command Identifier type. +// +// When one does +// +// select cmin, cmax, * from some_table; +// +// it is the data type of the cmin and cmax hidden system columns. +// +// It is currently implemented as an unsigned four byte integer. +// Its definition can be found in src/include/c.h as CommandId +// in the PostgreSQL sources. +type CID pguint32 + +// Set converts from src to dst. Note that as CID is not a general +// number type Set does not do automatic type conversion as other number +// types do. +func (dst *CID) Set(src interface{}) error { + return (*pguint32)(dst).Set(src) +} + +func (dst CID) Get() interface{} { + return (pguint32)(dst).Get() +} + +// AssignTo assigns from src to dst. Note that as CID is not a general number +// type AssignTo does not do automatic type conversion as other number types do. +func (src *CID) AssignTo(dst interface{}) error { + return (*pguint32)(src).AssignTo(dst) +} + +func (dst *CID) DecodeText(ci *ConnInfo, src []byte) error { + return (*pguint32)(dst).DecodeText(ci, src) +} + +func (dst *CID) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*pguint32)(dst).DecodeBinary(ci, src) +} + +func (src CID) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (pguint32)(src).EncodeText(ci, buf) +} + +func (src CID) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (pguint32)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *CID) Scan(src interface{}) error { + return (*pguint32)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src CID) Value() (driver.Value, error) { + return (pguint32)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/cidr.go b/vendor/github.com/jackc/pgtype/cidr.go new file mode 100644 index 000000000..7c562cf2e --- /dev/null +++ b/vendor/github.com/jackc/pgtype/cidr.go @@ -0,0 +1,43 @@ +package pgtype + +import "database/sql/driver" + +type CIDR Inet + +func (dst *CIDR) Set(src interface{}) error { + return (*Inet)(dst).Set(src) +} + +func (dst CIDR) Get() interface{} { + return (Inet)(dst).Get() +} + +func (src *CIDR) AssignTo(dst interface{}) error { + return (*Inet)(src).AssignTo(dst) +} + +func (dst *CIDR) DecodeText(ci *ConnInfo, src []byte) error { + return (*Inet)(dst).DecodeText(ci, src) +} + +func (dst *CIDR) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Inet)(dst).DecodeBinary(ci, src) +} + +func (src CIDR) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Inet)(src).EncodeText(ci, buf) +} + +func (src CIDR) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Inet)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *CIDR) Scan(src interface{}) error { + return (*Inet)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src CIDR) Value() (driver.Value, error) { + return (Inet)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/cidr_array.go b/vendor/github.com/jackc/pgtype/cidr_array.go new file mode 100644 index 000000000..783c599c4 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/cidr_array.go @@ -0,0 +1,546 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "net" + "reflect" + + "github.com/jackc/pgio" +) + +type CIDRArray struct { + Elements []CIDR + Dimensions []ArrayDimension + Status Status +} + +func (dst *CIDRArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = CIDRArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []*net.IPNet: + if value == nil { + *dst = CIDRArray{Status: Null} + } else if len(value) == 0 { + *dst = CIDRArray{Status: Present} + } else { + elements := make([]CIDR, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = CIDRArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []net.IP: + if value == nil { + *dst = CIDRArray{Status: Null} + } else if len(value) == 0 { + *dst = CIDRArray{Status: Present} + } else { + elements := make([]CIDR, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = CIDRArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*net.IP: + if value == nil { + *dst = CIDRArray{Status: Null} + } else if len(value) == 0 { + *dst = CIDRArray{Status: Present} + } else { + elements := make([]CIDR, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = CIDRArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []CIDR: + if value == nil { + *dst = CIDRArray{Status: Null} + } else if len(value) == 0 { + *dst = CIDRArray{Status: Present} + } else { + *dst = CIDRArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = CIDRArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for CIDRArray", src) + } + if elementsLength == 0 { + *dst = CIDRArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to CIDRArray", src) + } + + *dst = CIDRArray{ + Elements: make([]CIDR, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]CIDR, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to CIDRArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *CIDRArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to CIDRArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in CIDRArray", err) + } + index++ + + return index, nil +} + +func (dst CIDRArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *CIDRArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]*net.IPNet: + *v = make([]*net.IPNet, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]net.IP: + *v = make([]net.IP, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*net.IP: + *v = make([]*net.IP, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *CIDRArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from CIDRArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from CIDRArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *CIDRArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = CIDRArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []CIDR + + if len(uta.Elements) > 0 { + elements = make([]CIDR, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem CIDR + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = CIDRArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *CIDRArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = CIDRArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = CIDRArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]CIDR, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = CIDRArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src CIDRArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src CIDRArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("cidr"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "cidr") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *CIDRArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src CIDRArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/circle.go b/vendor/github.com/jackc/pgtype/circle.go new file mode 100644 index 000000000..4279650e3 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/circle.go @@ -0,0 +1,150 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Circle struct { + P Vec2 + R float64 + Status Status +} + +func (dst *Circle) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to Circle", src) +} + +func (dst Circle) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Circle) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Circle) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Circle{Status: Null} + return nil + } + + if len(src) < 9 { + return fmt.Errorf("invalid length for Circle: %v", len(src)) + } + + str := string(src[2:]) + end := strings.IndexByte(str, ',') + x, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1:] + end = strings.IndexByte(str, ')') + + y, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+2 : len(str)-1] + + r, err := strconv.ParseFloat(str, 64) + if err != nil { + return err + } + + *dst = Circle{P: Vec2{x, y}, R: r, Status: Present} + return nil +} + +func (dst *Circle) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Circle{Status: Null} + return nil + } + + if len(src) != 24 { + return fmt.Errorf("invalid length for Circle: %v", len(src)) + } + + x := binary.BigEndian.Uint64(src) + y := binary.BigEndian.Uint64(src[8:]) + r := binary.BigEndian.Uint64(src[16:]) + + *dst = Circle{ + P: Vec2{math.Float64frombits(x), math.Float64frombits(y)}, + R: math.Float64frombits(r), + Status: Present, + } + return nil +} + +func (src Circle) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, fmt.Sprintf(`<(%s,%s),%s>`, + strconv.FormatFloat(src.P.X, 'f', -1, 64), + strconv.FormatFloat(src.P.Y, 'f', -1, 64), + strconv.FormatFloat(src.R, 'f', -1, 64), + )...) + + return buf, nil +} + +func (src Circle) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint64(buf, math.Float64bits(src.P.X)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P.Y)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.R)) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Circle) Scan(src interface{}) error { + if src == nil { + *dst = Circle{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Circle) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/composite_fields.go b/vendor/github.com/jackc/pgtype/composite_fields.go new file mode 100644 index 000000000..b6d09fcf2 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/composite_fields.go @@ -0,0 +1,107 @@ +package pgtype + +import "fmt" + +// CompositeFields scans the fields of a composite type into the elements of the CompositeFields value. To scan a +// nullable value use a *CompositeFields. It will be set to nil in case of null. +// +// CompositeFields implements EncodeBinary and EncodeText. However, functionality is limited due to CompositeFields not +// knowing the PostgreSQL schema of the composite type. Prefer using a registered CompositeType. +type CompositeFields []interface{} + +func (cf CompositeFields) DecodeBinary(ci *ConnInfo, src []byte) error { + if len(cf) == 0 { + return fmt.Errorf("cannot decode into empty CompositeFields") + } + + if src == nil { + return fmt.Errorf("cannot decode unexpected null into CompositeFields") + } + + scanner := NewCompositeBinaryScanner(ci, src) + + for _, f := range cf { + scanner.ScanValue(f) + } + + if scanner.Err() != nil { + return scanner.Err() + } + + return nil +} + +func (cf CompositeFields) DecodeText(ci *ConnInfo, src []byte) error { + if len(cf) == 0 { + return fmt.Errorf("cannot decode into empty CompositeFields") + } + + if src == nil { + return fmt.Errorf("cannot decode unexpected null into CompositeFields") + } + + scanner := NewCompositeTextScanner(ci, src) + + for _, f := range cf { + scanner.ScanValue(f) + } + + if scanner.Err() != nil { + return scanner.Err() + } + + return nil +} + +// EncodeText encodes composite fields into the text format. Prefer registering a CompositeType to using +// CompositeFields to encode directly. +func (cf CompositeFields) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + b := NewCompositeTextBuilder(ci, buf) + + for _, f := range cf { + if textEncoder, ok := f.(TextEncoder); ok { + b.AppendEncoder(textEncoder) + } else { + b.AppendValue(f) + } + } + + return b.Finish() +} + +// EncodeBinary encodes composite fields into the binary format. Unlike CompositeType the schema of the destination is +// unknown. Prefer registering a CompositeType to using CompositeFields to encode directly. Because the binary +// composite format requires the OID of each field to be specified the only types that will work are those known to +// ConnInfo. +// +// In particular: +// +// * Nil cannot be used because there is no way to determine what type it. +// * Integer types must be exact matches. e.g. A Go int32 into a PostgreSQL bigint will fail. +// * No dereferencing will be done. e.g. *Text must be used instead of Text. +func (cf CompositeFields) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + b := NewCompositeBinaryBuilder(ci, buf) + + for _, f := range cf { + dt, ok := ci.DataTypeForValue(f) + if !ok { + return nil, fmt.Errorf("Unknown OID for %#v", f) + } + + if binaryEncoder, ok := f.(BinaryEncoder); ok { + b.AppendEncoder(dt.OID, binaryEncoder) + } else { + err := dt.Value.Set(f) + if err != nil { + return nil, err + } + if binaryEncoder, ok := dt.Value.(BinaryEncoder); ok { + b.AppendEncoder(dt.OID, binaryEncoder) + } else { + return nil, fmt.Errorf("Cannot encode binary format for %v", f) + } + } + } + + return b.Finish() +} diff --git a/vendor/github.com/jackc/pgtype/composite_type.go b/vendor/github.com/jackc/pgtype/composite_type.go new file mode 100644 index 000000000..c17d6a514 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/composite_type.go @@ -0,0 +1,680 @@ +package pgtype + +import ( + "encoding/binary" + "errors" + "fmt" + "reflect" + "strings" + + "github.com/jackc/pgio" +) + +type CompositeTypeField struct { + Name string + OID uint32 +} + +type CompositeType struct { + status Status + + typeName string + + fields []CompositeTypeField + valueTranscoders []ValueTranscoder +} + +// NewCompositeType creates a CompositeType from fields and ci. ci is used to find the ValueTranscoders used +// for fields. All field OIDs must be previously registered in ci. +func NewCompositeType(typeName string, fields []CompositeTypeField, ci *ConnInfo) (*CompositeType, error) { + valueTranscoders := make([]ValueTranscoder, len(fields)) + + for i := range fields { + dt, ok := ci.DataTypeForOID(fields[i].OID) + if !ok { + return nil, fmt.Errorf("no data type registered for oid: %d", fields[i].OID) + } + + value := NewValue(dt.Value) + valueTranscoder, ok := value.(ValueTranscoder) + if !ok { + return nil, fmt.Errorf("data type for oid does not implement ValueTranscoder: %d", fields[i].OID) + } + + valueTranscoders[i] = valueTranscoder + } + + return &CompositeType{typeName: typeName, fields: fields, valueTranscoders: valueTranscoders}, nil +} + +// NewCompositeTypeValues creates a CompositeType from fields and values. fields and values must have the same length. +// Prefer NewCompositeType unless overriding the transcoding of fields is required. +func NewCompositeTypeValues(typeName string, fields []CompositeTypeField, values []ValueTranscoder) (*CompositeType, error) { + if len(fields) != len(values) { + return nil, errors.New("fields and valueTranscoders must have same length") + } + + return &CompositeType{typeName: typeName, fields: fields, valueTranscoders: values}, nil +} + +func (src CompositeType) Get() interface{} { + switch src.status { + case Present: + results := make(map[string]interface{}, len(src.valueTranscoders)) + for i := range src.valueTranscoders { + results[src.fields[i].Name] = src.valueTranscoders[i].Get() + } + return results + case Null: + return nil + default: + return src.status + } +} + +func (ct *CompositeType) NewTypeValue() Value { + a := &CompositeType{ + typeName: ct.typeName, + fields: ct.fields, + valueTranscoders: make([]ValueTranscoder, len(ct.valueTranscoders)), + } + + for i := range ct.valueTranscoders { + a.valueTranscoders[i] = NewValue(ct.valueTranscoders[i]).(ValueTranscoder) + } + + return a +} + +func (ct *CompositeType) TypeName() string { + return ct.typeName +} + +func (ct *CompositeType) Fields() []CompositeTypeField { + return ct.fields +} + +func (dst *CompositeType) Set(src interface{}) error { + if src == nil { + dst.status = Null + return nil + } + + switch value := src.(type) { + case []interface{}: + if len(value) != len(dst.valueTranscoders) { + return fmt.Errorf("Number of fields don't match. CompositeType has %d fields", len(dst.valueTranscoders)) + } + for i, v := range value { + if err := dst.valueTranscoders[i].Set(v); err != nil { + return err + } + } + dst.status = Present + case *[]interface{}: + if value == nil { + dst.status = Null + return nil + } + return dst.Set(*value) + default: + return fmt.Errorf("Can not convert %v to Composite", src) + } + + return nil +} + +// AssignTo should never be called on composite value directly +func (src CompositeType) AssignTo(dst interface{}) error { + switch src.status { + case Present: + switch v := dst.(type) { + case []interface{}: + if len(v) != len(src.valueTranscoders) { + return fmt.Errorf("Number of fields don't match. CompositeType has %d fields", len(src.valueTranscoders)) + } + for i := range src.valueTranscoders { + if v[i] == nil { + continue + } + + err := assignToOrSet(src.valueTranscoders[i], v[i]) + if err != nil { + return fmt.Errorf("unable to assign to dst[%d]: %v", i, err) + } + } + return nil + case *[]interface{}: + return src.AssignTo(*v) + default: + if isPtrStruct, err := src.assignToPtrStruct(dst); isPtrStruct { + return err + } + + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func assignToOrSet(src Value, dst interface{}) error { + assignToErr := src.AssignTo(dst) + if assignToErr != nil { + // Try to use get / set instead -- this avoids every type having to be able to AssignTo type of self. + setSucceeded := false + if setter, ok := dst.(Value); ok { + err := setter.Set(src.Get()) + setSucceeded = err == nil + } + if !setSucceeded { + return assignToErr + } + } + + return nil +} + +func (src CompositeType) assignToPtrStruct(dst interface{}) (bool, error) { + dstValue := reflect.ValueOf(dst) + if dstValue.Kind() != reflect.Ptr { + return false, nil + } + + if dstValue.IsNil() { + return false, nil + } + + dstElemValue := dstValue.Elem() + dstElemType := dstElemValue.Type() + + if dstElemType.Kind() != reflect.Struct { + return false, nil + } + + exportedFields := make([]int, 0, dstElemType.NumField()) + for i := 0; i < dstElemType.NumField(); i++ { + sf := dstElemType.Field(i) + if sf.PkgPath == "" { + exportedFields = append(exportedFields, i) + } + } + + if len(exportedFields) != len(src.valueTranscoders) { + return false, nil + } + + for i := range exportedFields { + err := assignToOrSet(src.valueTranscoders[i], dstElemValue.Field(exportedFields[i]).Addr().Interface()) + if err != nil { + return true, fmt.Errorf("unable to assign to field %s: %v", dstElemType.Field(exportedFields[i]).Name, err) + } + } + + return true, nil +} + +func (src CompositeType) EncodeBinary(ci *ConnInfo, buf []byte) (newBuf []byte, err error) { + switch src.status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + b := NewCompositeBinaryBuilder(ci, buf) + for i := range src.valueTranscoders { + b.AppendEncoder(src.fields[i].OID, src.valueTranscoders[i]) + } + + return b.Finish() +} + +// DecodeBinary implements BinaryDecoder interface. +// Opposite to Record, fields in a composite act as a "schema" +// and decoding fails if SQL value can't be assigned due to +// type mismatch +func (dst *CompositeType) DecodeBinary(ci *ConnInfo, buf []byte) error { + if buf == nil { + dst.status = Null + return nil + } + + scanner := NewCompositeBinaryScanner(ci, buf) + + for _, f := range dst.valueTranscoders { + scanner.ScanDecoder(f) + } + + if scanner.Err() != nil { + return scanner.Err() + } + + dst.status = Present + + return nil +} + +func (dst *CompositeType) DecodeText(ci *ConnInfo, buf []byte) error { + if buf == nil { + dst.status = Null + return nil + } + + scanner := NewCompositeTextScanner(ci, buf) + + for _, f := range dst.valueTranscoders { + scanner.ScanDecoder(f) + } + + if scanner.Err() != nil { + return scanner.Err() + } + + dst.status = Present + + return nil +} + +func (src CompositeType) EncodeText(ci *ConnInfo, buf []byte) (newBuf []byte, err error) { + switch src.status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + b := NewCompositeTextBuilder(ci, buf) + for _, f := range src.valueTranscoders { + b.AppendEncoder(f) + } + + return b.Finish() +} + +type CompositeBinaryScanner struct { + ci *ConnInfo + rp int + src []byte + + fieldCount int32 + fieldBytes []byte + fieldOID uint32 + err error +} + +// NewCompositeBinaryScanner a scanner over a binary encoded composite balue. +func NewCompositeBinaryScanner(ci *ConnInfo, src []byte) *CompositeBinaryScanner { + rp := 0 + if len(src[rp:]) < 4 { + return &CompositeBinaryScanner{err: fmt.Errorf("Record incomplete %v", src)} + } + + fieldCount := int32(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + return &CompositeBinaryScanner{ + ci: ci, + rp: rp, + src: src, + fieldCount: fieldCount, + } +} + +// ScanDecoder calls Next and decodes the result with d. +func (cfs *CompositeBinaryScanner) ScanDecoder(d BinaryDecoder) { + if cfs.err != nil { + return + } + + if cfs.Next() { + cfs.err = d.DecodeBinary(cfs.ci, cfs.fieldBytes) + } else { + cfs.err = errors.New("read past end of composite") + } +} + +// ScanDecoder calls Next and scans the result into d. +func (cfs *CompositeBinaryScanner) ScanValue(d interface{}) { + if cfs.err != nil { + return + } + + if cfs.Next() { + cfs.err = cfs.ci.Scan(cfs.OID(), BinaryFormatCode, cfs.Bytes(), d) + } else { + cfs.err = errors.New("read past end of composite") + } +} + +// Next advances the scanner to the next field. It returns false after the last field is read or an error occurs. After +// Next returns false, the Err method can be called to check if any errors occurred. +func (cfs *CompositeBinaryScanner) Next() bool { + if cfs.err != nil { + return false + } + + if cfs.rp == len(cfs.src) { + return false + } + + if len(cfs.src[cfs.rp:]) < 8 { + cfs.err = fmt.Errorf("Record incomplete %v", cfs.src) + return false + } + cfs.fieldOID = binary.BigEndian.Uint32(cfs.src[cfs.rp:]) + cfs.rp += 4 + + fieldLen := int(int32(binary.BigEndian.Uint32(cfs.src[cfs.rp:]))) + cfs.rp += 4 + + if fieldLen >= 0 { + if len(cfs.src[cfs.rp:]) < fieldLen { + cfs.err = fmt.Errorf("Record incomplete rp=%d src=%v", cfs.rp, cfs.src) + return false + } + cfs.fieldBytes = cfs.src[cfs.rp : cfs.rp+fieldLen] + cfs.rp += fieldLen + } else { + cfs.fieldBytes = nil + } + + return true +} + +func (cfs *CompositeBinaryScanner) FieldCount() int { + return int(cfs.fieldCount) +} + +// Bytes returns the bytes of the field most recently read by Scan(). +func (cfs *CompositeBinaryScanner) Bytes() []byte { + return cfs.fieldBytes +} + +// OID returns the OID of the field most recently read by Scan(). +func (cfs *CompositeBinaryScanner) OID() uint32 { + return cfs.fieldOID +} + +// Err returns any error encountered by the scanner. +func (cfs *CompositeBinaryScanner) Err() error { + return cfs.err +} + +type CompositeTextScanner struct { + ci *ConnInfo + rp int + src []byte + + fieldBytes []byte + err error +} + +// NewCompositeTextScanner a scanner over a text encoded composite value. +func NewCompositeTextScanner(ci *ConnInfo, src []byte) *CompositeTextScanner { + if len(src) < 2 { + return &CompositeTextScanner{err: fmt.Errorf("Record incomplete %v", src)} + } + + if src[0] != '(' { + return &CompositeTextScanner{err: fmt.Errorf("composite text format must start with '('")} + } + + if src[len(src)-1] != ')' { + return &CompositeTextScanner{err: fmt.Errorf("composite text format must end with ')'")} + } + + return &CompositeTextScanner{ + ci: ci, + rp: 1, + src: src, + } +} + +// ScanDecoder calls Next and decodes the result with d. +func (cfs *CompositeTextScanner) ScanDecoder(d TextDecoder) { + if cfs.err != nil { + return + } + + if cfs.Next() { + cfs.err = d.DecodeText(cfs.ci, cfs.fieldBytes) + } else { + cfs.err = errors.New("read past end of composite") + } +} + +// ScanDecoder calls Next and scans the result into d. +func (cfs *CompositeTextScanner) ScanValue(d interface{}) { + if cfs.err != nil { + return + } + + if cfs.Next() { + cfs.err = cfs.ci.Scan(0, TextFormatCode, cfs.Bytes(), d) + } else { + cfs.err = errors.New("read past end of composite") + } +} + +// Next advances the scanner to the next field. It returns false after the last field is read or an error occurs. After +// Next returns false, the Err method can be called to check if any errors occurred. +func (cfs *CompositeTextScanner) Next() bool { + if cfs.err != nil { + return false + } + + if cfs.rp == len(cfs.src) { + return false + } + + switch cfs.src[cfs.rp] { + case ',', ')': // null + cfs.rp++ + cfs.fieldBytes = nil + return true + case '"': // quoted value + cfs.rp++ + cfs.fieldBytes = make([]byte, 0, 16) + for { + ch := cfs.src[cfs.rp] + + if ch == '"' { + cfs.rp++ + if cfs.src[cfs.rp] == '"' { + cfs.fieldBytes = append(cfs.fieldBytes, '"') + cfs.rp++ + } else { + break + } + } else if ch == '\\' { + cfs.rp++ + cfs.fieldBytes = append(cfs.fieldBytes, cfs.src[cfs.rp]) + cfs.rp++ + } else { + cfs.fieldBytes = append(cfs.fieldBytes, ch) + cfs.rp++ + } + } + cfs.rp++ + return true + default: // unquoted value + start := cfs.rp + for { + ch := cfs.src[cfs.rp] + if ch == ',' || ch == ')' { + break + } + cfs.rp++ + } + cfs.fieldBytes = cfs.src[start:cfs.rp] + cfs.rp++ + return true + } +} + +// Bytes returns the bytes of the field most recently read by Scan(). +func (cfs *CompositeTextScanner) Bytes() []byte { + return cfs.fieldBytes +} + +// Err returns any error encountered by the scanner. +func (cfs *CompositeTextScanner) Err() error { + return cfs.err +} + +type CompositeBinaryBuilder struct { + ci *ConnInfo + buf []byte + startIdx int + fieldCount uint32 + err error +} + +func NewCompositeBinaryBuilder(ci *ConnInfo, buf []byte) *CompositeBinaryBuilder { + startIdx := len(buf) + buf = append(buf, 0, 0, 0, 0) // allocate room for number of fields + return &CompositeBinaryBuilder{ci: ci, buf: buf, startIdx: startIdx} +} + +func (b *CompositeBinaryBuilder) AppendValue(oid uint32, field interface{}) { + if b.err != nil { + return + } + + dt, ok := b.ci.DataTypeForOID(oid) + if !ok { + b.err = fmt.Errorf("unknown data type for OID: %d", oid) + return + } + + err := dt.Value.Set(field) + if err != nil { + b.err = err + return + } + + binaryEncoder, ok := dt.Value.(BinaryEncoder) + if !ok { + b.err = fmt.Errorf("unable to encode binary for OID: %d", oid) + return + } + + b.AppendEncoder(oid, binaryEncoder) +} + +func (b *CompositeBinaryBuilder) AppendEncoder(oid uint32, field BinaryEncoder) { + if b.err != nil { + return + } + + b.buf = pgio.AppendUint32(b.buf, oid) + lengthPos := len(b.buf) + b.buf = pgio.AppendInt32(b.buf, -1) + fieldBuf, err := field.EncodeBinary(b.ci, b.buf) + if err != nil { + b.err = err + return + } + if fieldBuf != nil { + binary.BigEndian.PutUint32(fieldBuf[lengthPos:], uint32(len(fieldBuf)-len(b.buf))) + b.buf = fieldBuf + } + + b.fieldCount++ +} + +func (b *CompositeBinaryBuilder) Finish() ([]byte, error) { + if b.err != nil { + return nil, b.err + } + + binary.BigEndian.PutUint32(b.buf[b.startIdx:], b.fieldCount) + return b.buf, nil +} + +type CompositeTextBuilder struct { + ci *ConnInfo + buf []byte + err error + fieldBuf [32]byte +} + +func NewCompositeTextBuilder(ci *ConnInfo, buf []byte) *CompositeTextBuilder { + buf = append(buf, '(') // allocate room for number of fields + return &CompositeTextBuilder{ci: ci, buf: buf} +} + +func (b *CompositeTextBuilder) AppendValue(field interface{}) { + if b.err != nil { + return + } + + if field == nil { + b.buf = append(b.buf, ',') + return + } + + dt, ok := b.ci.DataTypeForValue(field) + if !ok { + b.err = fmt.Errorf("unknown data type for field: %v", field) + return + } + + err := dt.Value.Set(field) + if err != nil { + b.err = err + return + } + + textEncoder, ok := dt.Value.(TextEncoder) + if !ok { + b.err = fmt.Errorf("unable to encode text for value: %v", field) + return + } + + b.AppendEncoder(textEncoder) +} + +func (b *CompositeTextBuilder) AppendEncoder(field TextEncoder) { + if b.err != nil { + return + } + + fieldBuf, err := field.EncodeText(b.ci, b.fieldBuf[0:0]) + if err != nil { + b.err = err + return + } + if fieldBuf != nil { + b.buf = append(b.buf, quoteCompositeFieldIfNeeded(string(fieldBuf))...) + } + + b.buf = append(b.buf, ',') +} + +func (b *CompositeTextBuilder) Finish() ([]byte, error) { + if b.err != nil { + return nil, b.err + } + + b.buf[len(b.buf)-1] = ')' + return b.buf, nil +} + +var quoteCompositeReplacer = strings.NewReplacer(`\`, `\\`, `"`, `\"`) + +func quoteCompositeField(src string) string { + return `"` + quoteCompositeReplacer.Replace(src) + `"` +} + +func quoteCompositeFieldIfNeeded(src string) string { + if src == "" || src[0] == ' ' || src[len(src)-1] == ' ' || strings.ContainsAny(src, `(),"\`) { + return quoteCompositeField(src) + } + return src +} diff --git a/vendor/github.com/jackc/pgtype/convert.go b/vendor/github.com/jackc/pgtype/convert.go new file mode 100644 index 000000000..305491c1e --- /dev/null +++ b/vendor/github.com/jackc/pgtype/convert.go @@ -0,0 +1,471 @@ +package pgtype + +import ( + "database/sql" + "fmt" + "math" + "reflect" + "time" +) + +const ( + maxUint = ^uint(0) + maxInt = int(maxUint >> 1) + minInt = -maxInt - 1 +) + +// underlyingNumberType gets the underlying type that can be converted to Int2, Int4, Int8, Float4, or Float8 +func underlyingNumberType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + case reflect.Int: + convVal := int(refVal.Int()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Int8: + convVal := int8(refVal.Int()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Int16: + convVal := int16(refVal.Int()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Int32: + convVal := int32(refVal.Int()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Int64: + convVal := int64(refVal.Int()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Uint: + convVal := uint(refVal.Uint()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Uint8: + convVal := uint8(refVal.Uint()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Uint16: + convVal := uint16(refVal.Uint()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Uint32: + convVal := uint32(refVal.Uint()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Uint64: + convVal := uint64(refVal.Uint()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Float32: + convVal := float32(refVal.Float()) + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.Float64: + convVal := refVal.Float() + return convVal, reflect.TypeOf(convVal) != refVal.Type() + case reflect.String: + convVal := refVal.String() + return convVal, reflect.TypeOf(convVal) != refVal.Type() + } + + return nil, false +} + +// underlyingBoolType gets the underlying type that can be converted to Bool +func underlyingBoolType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + case reflect.Bool: + convVal := refVal.Bool() + return convVal, reflect.TypeOf(convVal) != refVal.Type() + } + + return nil, false +} + +// underlyingBytesType gets the underlying type that can be converted to []byte +func underlyingBytesType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + case reflect.Slice: + if refVal.Type().Elem().Kind() == reflect.Uint8 { + convVal := refVal.Bytes() + return convVal, reflect.TypeOf(convVal) != refVal.Type() + } + } + + return nil, false +} + +// underlyingStringType gets the underlying type that can be converted to String +func underlyingStringType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + case reflect.String: + convVal := refVal.String() + return convVal, reflect.TypeOf(convVal) != refVal.Type() + } + + return nil, false +} + +// underlyingPtrType dereferences a pointer +func underlyingPtrType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + } + + return nil, false +} + +// underlyingTimeType gets the underlying type that can be converted to time.Time +func underlyingTimeType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + } + + timeType := reflect.TypeOf(time.Time{}) + if refVal.Type().ConvertibleTo(timeType) { + return refVal.Convert(timeType).Interface(), true + } + + return nil, false +} + +// underlyingUUIDType gets the underlying type that can be converted to [16]byte +func underlyingUUIDType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + } + + uuidType := reflect.TypeOf([16]byte{}) + if refVal.Type().ConvertibleTo(uuidType) { + return refVal.Convert(uuidType).Interface(), true + } + + return nil, false +} + +// underlyingSliceType gets the underlying slice type +func underlyingSliceType(val interface{}) (interface{}, bool) { + refVal := reflect.ValueOf(val) + + switch refVal.Kind() { + case reflect.Ptr: + if refVal.IsNil() { + return nil, false + } + convVal := refVal.Elem().Interface() + return convVal, true + case reflect.Slice: + baseSliceType := reflect.SliceOf(refVal.Type().Elem()) + if refVal.Type().ConvertibleTo(baseSliceType) { + convVal := refVal.Convert(baseSliceType) + return convVal.Interface(), reflect.TypeOf(convVal.Interface()) != refVal.Type() + } + } + + return nil, false +} + +func int64AssignTo(srcVal int64, srcStatus Status, dst interface{}) error { + if srcStatus == Present { + switch v := dst.(type) { + case *int: + if srcVal < int64(minInt) { + return fmt.Errorf("%d is less than minimum value for int", srcVal) + } else if srcVal > int64(maxInt) { + return fmt.Errorf("%d is greater than maximum value for int", srcVal) + } + *v = int(srcVal) + case *int8: + if srcVal < math.MinInt8 { + return fmt.Errorf("%d is less than minimum value for int8", srcVal) + } else if srcVal > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for int8", srcVal) + } + *v = int8(srcVal) + case *int16: + if srcVal < math.MinInt16 { + return fmt.Errorf("%d is less than minimum value for int16", srcVal) + } else if srcVal > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for int16", srcVal) + } + *v = int16(srcVal) + case *int32: + if srcVal < math.MinInt32 { + return fmt.Errorf("%d is less than minimum value for int32", srcVal) + } else if srcVal > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for int32", srcVal) + } + *v = int32(srcVal) + case *int64: + *v = srcVal + case *uint: + if srcVal < 0 { + return fmt.Errorf("%d is less than zero for uint", srcVal) + } else if uint64(srcVal) > uint64(maxUint) { + return fmt.Errorf("%d is greater than maximum value for uint", srcVal) + } + *v = uint(srcVal) + case *uint8: + if srcVal < 0 { + return fmt.Errorf("%d is less than zero for uint8", srcVal) + } else if srcVal > math.MaxUint8 { + return fmt.Errorf("%d is greater than maximum value for uint8", srcVal) + } + *v = uint8(srcVal) + case *uint16: + if srcVal < 0 { + return fmt.Errorf("%d is less than zero for uint16", srcVal) + } else if srcVal > math.MaxUint16 { + return fmt.Errorf("%d is greater than maximum value for uint16", srcVal) + } + *v = uint16(srcVal) + case *uint32: + if srcVal < 0 { + return fmt.Errorf("%d is less than zero for uint32", srcVal) + } else if srcVal > math.MaxUint32 { + return fmt.Errorf("%d is greater than maximum value for uint32", srcVal) + } + *v = uint32(srcVal) + case *uint64: + if srcVal < 0 { + return fmt.Errorf("%d is less than zero for uint64", srcVal) + } + *v = uint64(srcVal) + case sql.Scanner: + return v.Scan(srcVal) + default: + if v := reflect.ValueOf(dst); v.Kind() == reflect.Ptr { + el := v.Elem() + switch el.Kind() { + // if dst is a pointer to pointer, strip the pointer and try again + case reflect.Ptr: + if el.IsNil() { + // allocate destination + el.Set(reflect.New(el.Type().Elem())) + } + return int64AssignTo(srcVal, srcStatus, el.Interface()) + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + if el.OverflowInt(int64(srcVal)) { + return fmt.Errorf("cannot put %d into %T", srcVal, dst) + } + el.SetInt(int64(srcVal)) + return nil + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + if srcVal < 0 { + return fmt.Errorf("%d is less than zero for %T", srcVal, dst) + } + if el.OverflowUint(uint64(srcVal)) { + return fmt.Errorf("cannot put %d into %T", srcVal, dst) + } + el.SetUint(uint64(srcVal)) + return nil + } + } + return fmt.Errorf("cannot assign %v into %T", srcVal, dst) + } + return nil + } + + // if dst is a pointer to pointer and srcStatus is not Present, nil it out + if v := reflect.ValueOf(dst); v.Kind() == reflect.Ptr { + el := v.Elem() + if el.Kind() == reflect.Ptr { + el.Set(reflect.Zero(el.Type())) + return nil + } + } + + return fmt.Errorf("cannot assign %v %v into %T", srcVal, srcStatus, dst) +} + +func float64AssignTo(srcVal float64, srcStatus Status, dst interface{}) error { + if srcStatus == Present { + switch v := dst.(type) { + case *float32: + *v = float32(srcVal) + case *float64: + *v = srcVal + default: + if v := reflect.ValueOf(dst); v.Kind() == reflect.Ptr { + el := v.Elem() + switch el.Kind() { + // if dst is a type alias of a float32 or 64, set dst val + case reflect.Float32, reflect.Float64: + el.SetFloat(srcVal) + return nil + // if dst is a pointer to pointer, strip the pointer and try again + case reflect.Ptr: + if el.IsNil() { + // allocate destination + el.Set(reflect.New(el.Type().Elem())) + } + return float64AssignTo(srcVal, srcStatus, el.Interface()) + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + i64 := int64(srcVal) + if float64(i64) == srcVal { + return int64AssignTo(i64, srcStatus, dst) + } + } + } + return fmt.Errorf("cannot assign %v into %T", srcVal, dst) + } + return nil + } + + // if dst is a pointer to pointer and srcStatus is not Present, nil it out + if v := reflect.ValueOf(dst); v.Kind() == reflect.Ptr { + el := v.Elem() + if el.Kind() == reflect.Ptr { + el.Set(reflect.Zero(el.Type())) + return nil + } + } + + return fmt.Errorf("cannot assign %v %v into %T", srcVal, srcStatus, dst) +} + +func NullAssignTo(dst interface{}) error { + dstPtr := reflect.ValueOf(dst) + + // AssignTo dst must always be a pointer + if dstPtr.Kind() != reflect.Ptr { + return &nullAssignmentError{dst: dst} + } + + dstVal := dstPtr.Elem() + + switch dstVal.Kind() { + case reflect.Ptr, reflect.Slice, reflect.Map: + dstVal.Set(reflect.Zero(dstVal.Type())) + return nil + } + + return &nullAssignmentError{dst: dst} +} + +var kindTypes map[reflect.Kind]reflect.Type + +func toInterface(dst reflect.Value, t reflect.Type) (interface{}, bool) { + nextDst := dst.Convert(t) + return nextDst.Interface(), dst.Type() != nextDst.Type() +} + +// GetAssignToDstType attempts to convert dst to something AssignTo can assign +// to. If dst is a pointer to pointer it allocates a value and returns the +// dereferences pointer. If dst is a named type such as *Foo where Foo is type +// Foo int16, it converts dst to *int16. +// +// GetAssignToDstType returns the converted dst and a bool representing if any +// change was made. +func GetAssignToDstType(dst interface{}) (interface{}, bool) { + dstPtr := reflect.ValueOf(dst) + + // AssignTo dst must always be a pointer + if dstPtr.Kind() != reflect.Ptr { + return nil, false + } + + dstVal := dstPtr.Elem() + + // if dst is a pointer to pointer, allocate space try again with the dereferenced pointer + if dstVal.Kind() == reflect.Ptr { + dstVal.Set(reflect.New(dstVal.Type().Elem())) + return dstVal.Interface(), true + } + + // if dst is pointer to a base type that has been renamed + if baseValType, ok := kindTypes[dstVal.Kind()]; ok { + return toInterface(dstPtr, reflect.PtrTo(baseValType)) + } + + if dstVal.Kind() == reflect.Slice { + if baseElemType, ok := kindTypes[dstVal.Type().Elem().Kind()]; ok { + return toInterface(dstPtr, reflect.PtrTo(reflect.SliceOf(baseElemType))) + } + } + + if dstVal.Kind() == reflect.Array { + if baseElemType, ok := kindTypes[dstVal.Type().Elem().Kind()]; ok { + return toInterface(dstPtr, reflect.PtrTo(reflect.ArrayOf(dstVal.Len(), baseElemType))) + } + } + + if dstVal.Kind() == reflect.Struct { + if dstVal.Type().NumField() == 1 && dstVal.Type().Field(0).Anonymous { + dstPtr = dstVal.Field(0).Addr() + nested := dstVal.Type().Field(0).Type + if nested.Kind() == reflect.Array { + if baseElemType, ok := kindTypes[nested.Elem().Kind()]; ok { + return toInterface(dstPtr, reflect.PtrTo(reflect.ArrayOf(nested.Len(), baseElemType))) + } + } + if _, ok := kindTypes[nested.Kind()]; ok && dstPtr.CanInterface() { + return dstPtr.Interface(), true + } + } + } + + return nil, false +} + +func init() { + kindTypes = map[reflect.Kind]reflect.Type{ + reflect.Bool: reflect.TypeOf(false), + reflect.Float32: reflect.TypeOf(float32(0)), + reflect.Float64: reflect.TypeOf(float64(0)), + reflect.Int: reflect.TypeOf(int(0)), + reflect.Int8: reflect.TypeOf(int8(0)), + reflect.Int16: reflect.TypeOf(int16(0)), + reflect.Int32: reflect.TypeOf(int32(0)), + reflect.Int64: reflect.TypeOf(int64(0)), + reflect.Uint: reflect.TypeOf(uint(0)), + reflect.Uint8: reflect.TypeOf(uint8(0)), + reflect.Uint16: reflect.TypeOf(uint16(0)), + reflect.Uint32: reflect.TypeOf(uint32(0)), + reflect.Uint64: reflect.TypeOf(uint64(0)), + reflect.String: reflect.TypeOf(""), + } +} diff --git a/vendor/github.com/jackc/pgtype/database_sql.go b/vendor/github.com/jackc/pgtype/database_sql.go new file mode 100644 index 000000000..d0e36f84f --- /dev/null +++ b/vendor/github.com/jackc/pgtype/database_sql.go @@ -0,0 +1,42 @@ +package pgtype + +import ( + "database/sql/driver" + "errors" +) + +func DatabaseSQLValue(ci *ConnInfo, src Value) (interface{}, error) { + if valuer, ok := src.(driver.Valuer); ok { + return valuer.Value() + } + + if textEncoder, ok := src.(TextEncoder); ok { + buf, err := textEncoder.EncodeText(ci, nil) + if err != nil { + return nil, err + } + return string(buf), nil + } + + if binaryEncoder, ok := src.(BinaryEncoder); ok { + buf, err := binaryEncoder.EncodeBinary(ci, nil) + if err != nil { + return nil, err + } + return buf, nil + } + + return nil, errors.New("cannot convert to database/sql compatible value") +} + +func EncodeValueText(src TextEncoder) (interface{}, error) { + var encBuf [36]byte + buf, err := src.EncodeText(nil, encBuf[:0]) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return string(buf), err +} diff --git a/vendor/github.com/jackc/pgtype/date.go b/vendor/github.com/jackc/pgtype/date.go new file mode 100644 index 000000000..e68abf01d --- /dev/null +++ b/vendor/github.com/jackc/pgtype/date.go @@ -0,0 +1,324 @@ +package pgtype + +import ( + "database/sql" + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "strings" + "time" + + "github.com/jackc/pgio" +) + +type Date struct { + Time time.Time + Status Status + InfinityModifier InfinityModifier +} + +const ( + negativeInfinityDayOffset = -2147483648 + infinityDayOffset = 2147483647 +) + +func (dst *Date) Set(src interface{}) error { + if src == nil { + *dst = Date{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + if value, ok := src.(interface{ Value() (driver.Value, error) }); ok { + v, err := value.Value() + if err != nil { + return fmt.Errorf("cannot get value %v for Date: %v", value, err) + } + return dst.Set(v) + } + + switch value := src.(type) { + case time.Time: + *dst = Date{Time: value, Status: Present} + case *time.Time: + if value == nil { + *dst = Date{Status: Null} + } else { + return dst.Set(*value) + } + case string: + return dst.DecodeText(nil, []byte(value)) + case *string: + if value == nil { + *dst = Date{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingTimeType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Date", value) + } + + return nil +} + +func (dst Date) Get() interface{} { + switch dst.Status { + case Present: + if dst.InfinityModifier != None { + return dst.InfinityModifier + } + return dst.Time + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Date) AssignTo(dst interface{}) error { + if scanner, ok := dst.(sql.Scanner); ok { + var err error + switch src.Status { + case Present: + if src.InfinityModifier != None { + err = scanner.Scan(src.InfinityModifier.String()) + } else { + err = scanner.Scan(src.Time) + } + case Null: + err = scanner.Scan(nil) + } + if err != nil { + return fmt.Errorf("unable assign %v to %T: %s", src, dst, err) + } + return nil + } + + switch src.Status { + case Present: + switch v := dst.(type) { + case *time.Time: + if src.InfinityModifier != None { + return fmt.Errorf("cannot assign %v to %T", src, dst) + } + *v = src.Time + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Date) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Date{Status: Null} + return nil + } + + sbuf := string(src) + switch sbuf { + case "infinity": + *dst = Date{Status: Present, InfinityModifier: Infinity} + case "-infinity": + *dst = Date{Status: Present, InfinityModifier: -Infinity} + default: + if strings.HasSuffix(sbuf, " BC") { + t, err := time.ParseInLocation("2006-01-02", strings.TrimRight(sbuf, " BC"), time.UTC) + t2 := time.Date(1-t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), t.Location()) + if err != nil { + return err + } + *dst = Date{Time: t2, Status: Present} + return nil + } + t, err := time.ParseInLocation("2006-01-02", sbuf, time.UTC) + if err != nil { + return err + } + + *dst = Date{Time: t, Status: Present} + } + + return nil +} + +func (dst *Date) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Date{Status: Null} + return nil + } + + if len(src) != 4 { + return fmt.Errorf("invalid length for date: %v", len(src)) + } + + dayOffset := int32(binary.BigEndian.Uint32(src)) + + switch dayOffset { + case infinityDayOffset: + *dst = Date{Status: Present, InfinityModifier: Infinity} + case negativeInfinityDayOffset: + *dst = Date{Status: Present, InfinityModifier: -Infinity} + default: + t := time.Date(2000, 1, int(1+dayOffset), 0, 0, 0, 0, time.UTC) + *dst = Date{Time: t, Status: Present} + } + + return nil +} + +func (src Date) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var s string + + switch src.InfinityModifier { + case None: + s = src.Time.Format("2006-01-02") + case Infinity: + s = "infinity" + case NegativeInfinity: + s = "-infinity" + } + + return append(buf, s...), nil +} + +func (src Date) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var daysSinceDateEpoch int32 + switch src.InfinityModifier { + case None: + tUnix := time.Date(src.Time.Year(), src.Time.Month(), src.Time.Day(), 0, 0, 0, 0, time.UTC).Unix() + dateEpoch := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC).Unix() + + secSinceDateEpoch := tUnix - dateEpoch + daysSinceDateEpoch = int32(secSinceDateEpoch / 86400) + case Infinity: + daysSinceDateEpoch = infinityDayOffset + case NegativeInfinity: + daysSinceDateEpoch = negativeInfinityDayOffset + } + + return pgio.AppendInt32(buf, daysSinceDateEpoch), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Date) Scan(src interface{}) error { + if src == nil { + *dst = Date{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + case time.Time: + *dst = Date{Time: src, Status: Present} + return nil + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Date) Value() (driver.Value, error) { + switch src.Status { + case Present: + if src.InfinityModifier != None { + return src.InfinityModifier.String(), nil + } + return src.Time, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Date) MarshalJSON() ([]byte, error) { + switch src.Status { + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + if src.Status != Present { + return nil, errBadStatus + } + + var s string + + switch src.InfinityModifier { + case None: + s = src.Time.Format("2006-01-02") + case Infinity: + s = "infinity" + case NegativeInfinity: + s = "-infinity" + } + + return json.Marshal(s) +} + +func (dst *Date) UnmarshalJSON(b []byte) error { + var s *string + err := json.Unmarshal(b, &s) + if err != nil { + return err + } + + if s == nil { + *dst = Date{Status: Null} + return nil + } + + switch *s { + case "infinity": + *dst = Date{Status: Present, InfinityModifier: Infinity} + case "-infinity": + *dst = Date{Status: Present, InfinityModifier: -Infinity} + default: + t, err := time.ParseInLocation("2006-01-02", *s, time.UTC) + if err != nil { + return err + } + + *dst = Date{Time: t, Status: Present} + } + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/date_array.go b/vendor/github.com/jackc/pgtype/date_array.go new file mode 100644 index 000000000..24152fa0e --- /dev/null +++ b/vendor/github.com/jackc/pgtype/date_array.go @@ -0,0 +1,518 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + "time" + + "github.com/jackc/pgio" +) + +type DateArray struct { + Elements []Date + Dimensions []ArrayDimension + Status Status +} + +func (dst *DateArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = DateArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []time.Time: + if value == nil { + *dst = DateArray{Status: Null} + } else if len(value) == 0 { + *dst = DateArray{Status: Present} + } else { + elements := make([]Date, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = DateArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*time.Time: + if value == nil { + *dst = DateArray{Status: Null} + } else if len(value) == 0 { + *dst = DateArray{Status: Present} + } else { + elements := make([]Date, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = DateArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Date: + if value == nil { + *dst = DateArray{Status: Null} + } else if len(value) == 0 { + *dst = DateArray{Status: Present} + } else { + *dst = DateArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = DateArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for DateArray", src) + } + if elementsLength == 0 { + *dst = DateArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to DateArray", src) + } + + *dst = DateArray{ + Elements: make([]Date, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Date, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to DateArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *DateArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to DateArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in DateArray", err) + } + index++ + + return index, nil +} + +func (dst DateArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *DateArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]time.Time: + *v = make([]time.Time, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*time.Time: + *v = make([]*time.Time, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *DateArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from DateArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from DateArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *DateArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = DateArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Date + + if len(uta.Elements) > 0 { + elements = make([]Date, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Date + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = DateArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *DateArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = DateArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = DateArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Date, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = DateArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src DateArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src DateArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("date"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "date") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *DateArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src DateArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/daterange.go b/vendor/github.com/jackc/pgtype/daterange.go new file mode 100644 index 000000000..63164a5a5 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/daterange.go @@ -0,0 +1,267 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + + "github.com/jackc/pgio" +) + +type Daterange struct { + Lower Date + Upper Date + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *Daterange) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Daterange{Status: Null} + return nil + } + + switch value := src.(type) { + case Daterange: + *dst = value + case *Daterange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to Daterange", src) + } + + return nil +} + +func (dst Daterange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Daterange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Daterange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Daterange{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = Daterange{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *Daterange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Daterange{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = Daterange{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src Daterange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src Daterange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Daterange) Scan(src interface{}) error { + if src == nil { + *dst = Daterange{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Daterange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/enum_array.go b/vendor/github.com/jackc/pgtype/enum_array.go new file mode 100644 index 000000000..59b5a3edc --- /dev/null +++ b/vendor/github.com/jackc/pgtype/enum_array.go @@ -0,0 +1,428 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "fmt" + "reflect" +) + +type EnumArray struct { + Elements []GenericText + Dimensions []ArrayDimension + Status Status +} + +func (dst *EnumArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = EnumArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = EnumArray{Status: Null} + } else if len(value) == 0 { + *dst = EnumArray{Status: Present} + } else { + elements := make([]GenericText, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = EnumArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*string: + if value == nil { + *dst = EnumArray{Status: Null} + } else if len(value) == 0 { + *dst = EnumArray{Status: Present} + } else { + elements := make([]GenericText, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = EnumArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []GenericText: + if value == nil { + *dst = EnumArray{Status: Null} + } else if len(value) == 0 { + *dst = EnumArray{Status: Present} + } else { + *dst = EnumArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = EnumArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for EnumArray", src) + } + if elementsLength == 0 { + *dst = EnumArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to EnumArray", src) + } + + *dst = EnumArray{ + Elements: make([]GenericText, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]GenericText, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to EnumArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *EnumArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to EnumArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in EnumArray", err) + } + index++ + + return index, nil +} + +func (dst EnumArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *EnumArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*string: + *v = make([]*string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *EnumArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from EnumArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from EnumArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *EnumArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = EnumArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []GenericText + + if len(uta.Elements) > 0 { + elements = make([]GenericText, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem GenericText + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = EnumArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (src EnumArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *EnumArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src EnumArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/enum_type.go b/vendor/github.com/jackc/pgtype/enum_type.go new file mode 100644 index 000000000..526578226 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/enum_type.go @@ -0,0 +1,168 @@ +package pgtype + +import "fmt" + +// EnumType represents an enum type. While it implements Value, this is only in service of its type conversion duties +// when registered as a data type in a ConnType. It should not be used directly as a Value. +type EnumType struct { + value string + status Status + + typeName string // PostgreSQL type name + members []string // enum members + membersMap map[string]string // map to quickly lookup member and reuse string instead of allocating +} + +// NewEnumType initializes a new EnumType. It retains a read-only reference to members. members must not be changed. +func NewEnumType(typeName string, members []string) *EnumType { + et := &EnumType{typeName: typeName, members: members} + et.membersMap = make(map[string]string, len(members)) + for _, m := range members { + et.membersMap[m] = m + } + return et +} + +func (et *EnumType) NewTypeValue() Value { + return &EnumType{ + value: et.value, + status: et.status, + + typeName: et.typeName, + members: et.members, + membersMap: et.membersMap, + } +} + +func (et *EnumType) TypeName() string { + return et.typeName +} + +func (et *EnumType) Members() []string { + return et.members +} + +// Set assigns src to dst. Set purposely does not check that src is a member. This allows continued error free +// operation in the event the PostgreSQL enum type is modified during a connection. +func (dst *EnumType) Set(src interface{}) error { + if src == nil { + dst.status = Null + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case string: + dst.value = value + dst.status = Present + case *string: + if value == nil { + dst.status = Null + } else { + dst.value = *value + dst.status = Present + } + case []byte: + if value == nil { + dst.status = Null + } else { + dst.value = string(value) + dst.status = Present + } + default: + if originalSrc, ok := underlyingStringType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to enum %s", value, dst.typeName) + } + + return nil +} + +func (dst EnumType) Get() interface{} { + switch dst.status { + case Present: + return dst.value + case Null: + return nil + default: + return dst.status + } +} + +func (src *EnumType) AssignTo(dst interface{}) error { + switch src.status { + case Present: + switch v := dst.(type) { + case *string: + *v = src.value + return nil + case *[]byte: + *v = make([]byte, len(src.value)) + copy(*v, src.value) + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (EnumType) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *EnumType) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + dst.status = Null + return nil + } + + // Lookup the string in membersMap to avoid an allocation. + if s, found := dst.membersMap[string(src)]; found { + dst.value = s + } else { + // If an enum type is modified after the initial connection it is possible to receive an unexpected value. + // Gracefully handle this situation. Purposely NOT modifying members and membersMap to allow for sharing members + // and membersMap between connections. + dst.value = string(src) + } + dst.status = Present + + return nil +} + +func (dst *EnumType) DecodeBinary(ci *ConnInfo, src []byte) error { + return dst.DecodeText(ci, src) +} + +func (EnumType) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (src EnumType) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.value...), nil +} + +func (src EnumType) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return src.EncodeText(ci, buf) +} diff --git a/vendor/github.com/jackc/pgtype/float4.go b/vendor/github.com/jackc/pgtype/float4.go new file mode 100644 index 000000000..89b9e8fae --- /dev/null +++ b/vendor/github.com/jackc/pgtype/float4.go @@ -0,0 +1,282 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgio" +) + +type Float4 struct { + Float float32 + Status Status +} + +func (dst *Float4) Set(src interface{}) error { + if src == nil { + *dst = Float4{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case float32: + *dst = Float4{Float: value, Status: Present} + case float64: + *dst = Float4{Float: float32(value), Status: Present} + case int8: + *dst = Float4{Float: float32(value), Status: Present} + case uint8: + *dst = Float4{Float: float32(value), Status: Present} + case int16: + *dst = Float4{Float: float32(value), Status: Present} + case uint16: + *dst = Float4{Float: float32(value), Status: Present} + case int32: + f32 := float32(value) + if int32(f32) == value { + *dst = Float4{Float: f32, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float32", value) + } + case uint32: + f32 := float32(value) + if uint32(f32) == value { + *dst = Float4{Float: f32, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float32", value) + } + case int64: + f32 := float32(value) + if int64(f32) == value { + *dst = Float4{Float: f32, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float32", value) + } + case uint64: + f32 := float32(value) + if uint64(f32) == value { + *dst = Float4{Float: f32, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float32", value) + } + case int: + f32 := float32(value) + if int(f32) == value { + *dst = Float4{Float: f32, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float32", value) + } + case uint: + f32 := float32(value) + if uint(f32) == value { + *dst = Float4{Float: f32, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float32", value) + } + case string: + num, err := strconv.ParseFloat(value, 32) + if err != nil { + return err + } + *dst = Float4{Float: float32(num), Status: Present} + case *float64: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *float32: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *int8: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint8: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *int16: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint16: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *int32: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint32: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *int64: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint64: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *int: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Float4{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Float8", value) + } + + return nil +} + +func (dst Float4) Get() interface{} { + switch dst.Status { + case Present: + return dst.Float + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Float4) AssignTo(dst interface{}) error { + return float64AssignTo(float64(src.Float), src.Status, dst) +} + +func (dst *Float4) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float4{Status: Null} + return nil + } + + n, err := strconv.ParseFloat(string(src), 32) + if err != nil { + return err + } + + *dst = Float4{Float: float32(n), Status: Present} + return nil +} + +func (dst *Float4) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float4{Status: Null} + return nil + } + + if len(src) != 4 { + return fmt.Errorf("invalid length for float4: %v", len(src)) + } + + n := int32(binary.BigEndian.Uint32(src)) + + *dst = Float4{Float: math.Float32frombits(uint32(n)), Status: Present} + return nil +} + +func (src Float4) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, strconv.FormatFloat(float64(src.Float), 'f', -1, 32)...) + return buf, nil +} + +func (src Float4) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint32(buf, math.Float32bits(src.Float)) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Float4) Scan(src interface{}) error { + if src == nil { + *dst = Float4{Status: Null} + return nil + } + + switch src := src.(type) { + case float64: + *dst = Float4{Float: float32(src), Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Float4) Value() (driver.Value, error) { + switch src.Status { + case Present: + return float64(src.Float), nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} diff --git a/vendor/github.com/jackc/pgtype/float4_array.go b/vendor/github.com/jackc/pgtype/float4_array.go new file mode 100644 index 000000000..41f2ec8f4 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/float4_array.go @@ -0,0 +1,517 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type Float4Array struct { + Elements []Float4 + Dimensions []ArrayDimension + Status Status +} + +func (dst *Float4Array) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Float4Array{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []float32: + if value == nil { + *dst = Float4Array{Status: Null} + } else if len(value) == 0 { + *dst = Float4Array{Status: Present} + } else { + elements := make([]Float4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Float4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*float32: + if value == nil { + *dst = Float4Array{Status: Null} + } else if len(value) == 0 { + *dst = Float4Array{Status: Present} + } else { + elements := make([]Float4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Float4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Float4: + if value == nil { + *dst = Float4Array{Status: Null} + } else if len(value) == 0 { + *dst = Float4Array{Status: Present} + } else { + *dst = Float4Array{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = Float4Array{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for Float4Array", src) + } + if elementsLength == 0 { + *dst = Float4Array{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Float4Array", src) + } + + *dst = Float4Array{ + Elements: make([]Float4, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Float4, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to Float4Array, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *Float4Array) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to Float4Array") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in Float4Array", err) + } + index++ + + return index, nil +} + +func (dst Float4Array) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Float4Array) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]float32: + *v = make([]float32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*float32: + *v = make([]*float32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *Float4Array) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from Float4Array") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from Float4Array") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *Float4Array) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float4Array{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Float4 + + if len(uta.Elements) > 0 { + elements = make([]Float4, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Float4 + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Float4Array{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *Float4Array) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float4Array{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = Float4Array{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Float4, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Float4Array{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src Float4Array) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src Float4Array) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("float4"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "float4") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Float4Array) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Float4Array) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/float8.go b/vendor/github.com/jackc/pgtype/float8.go new file mode 100644 index 000000000..6297ab5e2 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/float8.go @@ -0,0 +1,272 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgio" +) + +type Float8 struct { + Float float64 + Status Status +} + +func (dst *Float8) Set(src interface{}) error { + if src == nil { + *dst = Float8{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case float32: + *dst = Float8{Float: float64(value), Status: Present} + case float64: + *dst = Float8{Float: value, Status: Present} + case int8: + *dst = Float8{Float: float64(value), Status: Present} + case uint8: + *dst = Float8{Float: float64(value), Status: Present} + case int16: + *dst = Float8{Float: float64(value), Status: Present} + case uint16: + *dst = Float8{Float: float64(value), Status: Present} + case int32: + *dst = Float8{Float: float64(value), Status: Present} + case uint32: + *dst = Float8{Float: float64(value), Status: Present} + case int64: + f64 := float64(value) + if int64(f64) == value { + *dst = Float8{Float: f64, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float64", value) + } + case uint64: + f64 := float64(value) + if uint64(f64) == value { + *dst = Float8{Float: f64, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float64", value) + } + case int: + f64 := float64(value) + if int(f64) == value { + *dst = Float8{Float: f64, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float64", value) + } + case uint: + f64 := float64(value) + if uint(f64) == value { + *dst = Float8{Float: f64, Status: Present} + } else { + return fmt.Errorf("%v cannot be exactly represented as float64", value) + } + case string: + num, err := strconv.ParseFloat(value, 64) + if err != nil { + return err + } + *dst = Float8{Float: float64(num), Status: Present} + case *float64: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *float32: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *int8: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint8: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *int16: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint16: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *int32: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint32: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *int64: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint64: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *int: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Float8{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Float8", value) + } + + return nil +} + +func (dst Float8) Get() interface{} { + switch dst.Status { + case Present: + return dst.Float + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Float8) AssignTo(dst interface{}) error { + return float64AssignTo(src.Float, src.Status, dst) +} + +func (dst *Float8) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float8{Status: Null} + return nil + } + + n, err := strconv.ParseFloat(string(src), 64) + if err != nil { + return err + } + + *dst = Float8{Float: n, Status: Present} + return nil +} + +func (dst *Float8) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float8{Status: Null} + return nil + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for float8: %v", len(src)) + } + + n := int64(binary.BigEndian.Uint64(src)) + + *dst = Float8{Float: math.Float64frombits(uint64(n)), Status: Present} + return nil +} + +func (src Float8) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, strconv.FormatFloat(float64(src.Float), 'f', -1, 64)...) + return buf, nil +} + +func (src Float8) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint64(buf, math.Float64bits(src.Float)) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Float8) Scan(src interface{}) error { + if src == nil { + *dst = Float8{Status: Null} + return nil + } + + switch src := src.(type) { + case float64: + *dst = Float8{Float: src, Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Float8) Value() (driver.Value, error) { + switch src.Status { + case Present: + return src.Float, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} diff --git a/vendor/github.com/jackc/pgtype/float8_array.go b/vendor/github.com/jackc/pgtype/float8_array.go new file mode 100644 index 000000000..836ee19dc --- /dev/null +++ b/vendor/github.com/jackc/pgtype/float8_array.go @@ -0,0 +1,517 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type Float8Array struct { + Elements []Float8 + Dimensions []ArrayDimension + Status Status +} + +func (dst *Float8Array) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Float8Array{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []float64: + if value == nil { + *dst = Float8Array{Status: Null} + } else if len(value) == 0 { + *dst = Float8Array{Status: Present} + } else { + elements := make([]Float8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Float8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*float64: + if value == nil { + *dst = Float8Array{Status: Null} + } else if len(value) == 0 { + *dst = Float8Array{Status: Present} + } else { + elements := make([]Float8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Float8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Float8: + if value == nil { + *dst = Float8Array{Status: Null} + } else if len(value) == 0 { + *dst = Float8Array{Status: Present} + } else { + *dst = Float8Array{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = Float8Array{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for Float8Array", src) + } + if elementsLength == 0 { + *dst = Float8Array{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Float8Array", src) + } + + *dst = Float8Array{ + Elements: make([]Float8, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Float8, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to Float8Array, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *Float8Array) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to Float8Array") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in Float8Array", err) + } + index++ + + return index, nil +} + +func (dst Float8Array) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Float8Array) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]float64: + *v = make([]float64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*float64: + *v = make([]*float64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *Float8Array) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from Float8Array") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from Float8Array") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *Float8Array) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float8Array{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Float8 + + if len(uta.Elements) > 0 { + elements = make([]Float8, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Float8 + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Float8Array{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *Float8Array) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Float8Array{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = Float8Array{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Float8, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Float8Array{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src Float8Array) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src Float8Array) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("float8"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "float8") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Float8Array) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Float8Array) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/generic_binary.go b/vendor/github.com/jackc/pgtype/generic_binary.go new file mode 100644 index 000000000..76a1d3511 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/generic_binary.go @@ -0,0 +1,39 @@ +package pgtype + +import ( + "database/sql/driver" +) + +// GenericBinary is a placeholder for binary format values that no other type exists +// to handle. +type GenericBinary Bytea + +func (dst *GenericBinary) Set(src interface{}) error { + return (*Bytea)(dst).Set(src) +} + +func (dst GenericBinary) Get() interface{} { + return (Bytea)(dst).Get() +} + +func (src *GenericBinary) AssignTo(dst interface{}) error { + return (*Bytea)(src).AssignTo(dst) +} + +func (dst *GenericBinary) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Bytea)(dst).DecodeBinary(ci, src) +} + +func (src GenericBinary) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Bytea)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *GenericBinary) Scan(src interface{}) error { + return (*Bytea)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src GenericBinary) Value() (driver.Value, error) { + return (Bytea)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/generic_text.go b/vendor/github.com/jackc/pgtype/generic_text.go new file mode 100644 index 000000000..dbf5b47e8 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/generic_text.go @@ -0,0 +1,39 @@ +package pgtype + +import ( + "database/sql/driver" +) + +// GenericText is a placeholder for text format values that no other type exists +// to handle. +type GenericText Text + +func (dst *GenericText) Set(src interface{}) error { + return (*Text)(dst).Set(src) +} + +func (dst GenericText) Get() interface{} { + return (Text)(dst).Get() +} + +func (src *GenericText) AssignTo(dst interface{}) error { + return (*Text)(src).AssignTo(dst) +} + +func (dst *GenericText) DecodeText(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeText(ci, src) +} + +func (src GenericText) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeText(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *GenericText) Scan(src interface{}) error { + return (*Text)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src GenericText) Value() (driver.Value, error) { + return (Text)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/hstore.go b/vendor/github.com/jackc/pgtype/hstore.go new file mode 100644 index 000000000..e91f3da84 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/hstore.go @@ -0,0 +1,465 @@ +package pgtype + +import ( + "bytes" + "database/sql/driver" + "encoding/binary" + "errors" + "fmt" + "strings" + "unicode" + "unicode/utf8" + + "github.com/jackc/pgio" +) + +// Hstore represents an hstore column that can be null or have null values +// associated with its keys. +type Hstore struct { + Map map[string]Text + Status Status +} + +func (dst *Hstore) Set(src interface{}) error { + if src == nil { + *dst = Hstore{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case map[string]string: + m := make(map[string]Text, len(value)) + for k, v := range value { + m[k] = Text{String: v, Status: Present} + } + *dst = Hstore{Map: m, Status: Present} + case map[string]*string: + m := make(map[string]Text, len(value)) + for k, v := range value { + if v == nil { + m[k] = Text{Status: Null} + } else { + m[k] = Text{String: *v, Status: Present} + } + } + *dst = Hstore{Map: m, Status: Present} + case map[string]Text: + *dst = Hstore{Map: value, Status: Present} + default: + return fmt.Errorf("cannot convert %v to Hstore", src) + } + + return nil +} + +func (dst Hstore) Get() interface{} { + switch dst.Status { + case Present: + return dst.Map + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Hstore) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *map[string]string: + *v = make(map[string]string, len(src.Map)) + for k, val := range src.Map { + if val.Status != Present { + return fmt.Errorf("cannot decode %#v into %T", src, dst) + } + (*v)[k] = val.String + } + return nil + case *map[string]*string: + *v = make(map[string]*string, len(src.Map)) + for k, val := range src.Map { + switch val.Status { + case Null: + (*v)[k] = nil + case Present: + str := val.String + (*v)[k] = &str + default: + return fmt.Errorf("cannot decode %#v into %T", src, dst) + } + } + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Hstore) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Hstore{Status: Null} + return nil + } + + keys, values, err := parseHstore(string(src)) + if err != nil { + return err + } + + m := make(map[string]Text, len(keys)) + for i := range keys { + m[keys[i]] = values[i] + } + + *dst = Hstore{Map: m, Status: Present} + return nil +} + +func (dst *Hstore) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Hstore{Status: Null} + return nil + } + + rp := 0 + + if len(src[rp:]) < 4 { + return fmt.Errorf("hstore incomplete %v", src) + } + pairCount := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + + m := make(map[string]Text, pairCount) + + for i := 0; i < pairCount; i++ { + if len(src[rp:]) < 4 { + return fmt.Errorf("hstore incomplete %v", src) + } + keyLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + + if len(src[rp:]) < keyLen { + return fmt.Errorf("hstore incomplete %v", src) + } + key := string(src[rp : rp+keyLen]) + rp += keyLen + + if len(src[rp:]) < 4 { + return fmt.Errorf("hstore incomplete %v", src) + } + valueLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + + var valueBuf []byte + if valueLen >= 0 { + valueBuf = src[rp : rp+valueLen] + rp += valueLen + } + + var value Text + err := value.DecodeBinary(ci, valueBuf) + if err != nil { + return err + } + m[key] = value + } + + *dst = Hstore{Map: m, Status: Present} + + return nil +} + +func (src Hstore) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + firstPair := true + + inElemBuf := make([]byte, 0, 32) + for k, v := range src.Map { + if firstPair { + firstPair = false + } else { + buf = append(buf, ',') + } + + buf = append(buf, quoteHstoreElementIfNeeded(k)...) + buf = append(buf, "=>"...) + + elemBuf, err := v.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + + if elemBuf == nil { + buf = append(buf, "NULL"...) + } else { + buf = append(buf, quoteHstoreElementIfNeeded(string(elemBuf))...) + } + } + + return buf, nil +} + +func (src Hstore) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, int32(len(src.Map))) + + var err error + for k, v := range src.Map { + buf = pgio.AppendInt32(buf, int32(len(k))) + buf = append(buf, k...) + + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := v.EncodeText(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, err +} + +var quoteHstoreReplacer = strings.NewReplacer(`\`, `\\`, `"`, `\"`) + +func quoteHstoreElement(src string) string { + return `"` + quoteArrayReplacer.Replace(src) + `"` +} + +func quoteHstoreElementIfNeeded(src string) string { + if src == "" || (len(src) == 4 && strings.ToLower(src) == "null") || strings.ContainsAny(src, ` {},"\=>`) { + return quoteArrayElement(src) + } + return src +} + +const ( + hsPre = iota + hsKey + hsSep + hsVal + hsNul + hsNext +) + +type hstoreParser struct { + str string + pos int +} + +func newHSP(in string) *hstoreParser { + return &hstoreParser{ + pos: 0, + str: in, + } +} + +func (p *hstoreParser) Consume() (r rune, end bool) { + if p.pos >= len(p.str) { + end = true + return + } + r, w := utf8.DecodeRuneInString(p.str[p.pos:]) + p.pos += w + return +} + +func (p *hstoreParser) Peek() (r rune, end bool) { + if p.pos >= len(p.str) { + end = true + return + } + r, _ = utf8.DecodeRuneInString(p.str[p.pos:]) + return +} + +// parseHstore parses the string representation of an hstore column (the same +// you would get from an ordinary SELECT) into two slices of keys and values. it +// is used internally in the default parsing of hstores. +func parseHstore(s string) (k []string, v []Text, err error) { + if s == "" { + return + } + + buf := bytes.Buffer{} + keys := []string{} + values := []Text{} + p := newHSP(s) + + r, end := p.Consume() + state := hsPre + + for !end { + switch state { + case hsPre: + if r == '"' { + state = hsKey + } else { + err = errors.New("String does not begin with \"") + } + case hsKey: + switch r { + case '"': //End of the key + keys = append(keys, buf.String()) + buf = bytes.Buffer{} + state = hsSep + case '\\': //Potential escaped character + n, end := p.Consume() + switch { + case end: + err = errors.New("Found EOS in key, expecting character or \"") + case n == '"', n == '\\': + buf.WriteRune(n) + default: + buf.WriteRune(r) + buf.WriteRune(n) + } + default: //Any other character + buf.WriteRune(r) + } + case hsSep: + if r == '=' { + r, end = p.Consume() + switch { + case end: + err = errors.New("Found EOS after '=', expecting '>'") + case r == '>': + r, end = p.Consume() + switch { + case end: + err = errors.New("Found EOS after '=>', expecting '\"' or 'NULL'") + case r == '"': + state = hsVal + case r == 'N': + state = hsNul + default: + err = fmt.Errorf("Invalid character '%c' after '=>', expecting '\"' or 'NULL'", r) + } + default: + err = fmt.Errorf("Invalid character after '=', expecting '>'") + } + } else { + err = fmt.Errorf("Invalid character '%c' after value, expecting '='", r) + } + case hsVal: + switch r { + case '"': //End of the value + values = append(values, Text{String: buf.String(), Status: Present}) + buf = bytes.Buffer{} + state = hsNext + case '\\': //Potential escaped character + n, end := p.Consume() + switch { + case end: + err = errors.New("Found EOS in key, expecting character or \"") + case n == '"', n == '\\': + buf.WriteRune(n) + default: + buf.WriteRune(r) + buf.WriteRune(n) + } + default: //Any other character + buf.WriteRune(r) + } + case hsNul: + nulBuf := make([]rune, 3) + nulBuf[0] = r + for i := 1; i < 3; i++ { + r, end = p.Consume() + if end { + err = errors.New("Found EOS in NULL value") + return + } + nulBuf[i] = r + } + if nulBuf[0] == 'U' && nulBuf[1] == 'L' && nulBuf[2] == 'L' { + values = append(values, Text{Status: Null}) + state = hsNext + } else { + err = fmt.Errorf("Invalid NULL value: 'N%s'", string(nulBuf)) + } + case hsNext: + if r == ',' { + r, end = p.Consume() + switch { + case end: + err = errors.New("Found EOS after ',', expecting space") + case (unicode.IsSpace(r)): + p.Consume() + state = hsKey + default: + err = fmt.Errorf("Invalid character '%c' after ', ', expecting \"", r) + } + } else { + err = fmt.Errorf("Invalid character '%c' after value, expecting ','", r) + } + } + + if err != nil { + return + } + r, end = p.Consume() + } + if state != hsNext { + err = errors.New("Improperly formatted hstore") + return + } + k = keys + v = values + return +} + +// Scan implements the database/sql Scanner interface. +func (dst *Hstore) Scan(src interface{}) error { + if src == nil { + *dst = Hstore{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Hstore) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/hstore_array.go b/vendor/github.com/jackc/pgtype/hstore_array.go new file mode 100644 index 000000000..47b4b3fff --- /dev/null +++ b/vendor/github.com/jackc/pgtype/hstore_array.go @@ -0,0 +1,489 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type HstoreArray struct { + Elements []Hstore + Dimensions []ArrayDimension + Status Status +} + +func (dst *HstoreArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = HstoreArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []map[string]string: + if value == nil { + *dst = HstoreArray{Status: Null} + } else if len(value) == 0 { + *dst = HstoreArray{Status: Present} + } else { + elements := make([]Hstore, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = HstoreArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Hstore: + if value == nil { + *dst = HstoreArray{Status: Null} + } else if len(value) == 0 { + *dst = HstoreArray{Status: Present} + } else { + *dst = HstoreArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = HstoreArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for HstoreArray", src) + } + if elementsLength == 0 { + *dst = HstoreArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to HstoreArray", src) + } + + *dst = HstoreArray{ + Elements: make([]Hstore, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Hstore, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to HstoreArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *HstoreArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to HstoreArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in HstoreArray", err) + } + index++ + + return index, nil +} + +func (dst HstoreArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *HstoreArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]map[string]string: + *v = make([]map[string]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *HstoreArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from HstoreArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from HstoreArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *HstoreArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = HstoreArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Hstore + + if len(uta.Elements) > 0 { + elements = make([]Hstore, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Hstore + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = HstoreArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *HstoreArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = HstoreArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = HstoreArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Hstore, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = HstoreArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src HstoreArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src HstoreArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("hstore"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "hstore") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *HstoreArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src HstoreArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/inet.go b/vendor/github.com/jackc/pgtype/inet.go new file mode 100644 index 000000000..976f0d7b9 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/inet.go @@ -0,0 +1,304 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding" + "fmt" + "net" + "strings" +) + +// Network address family is dependent on server socket.h value for AF_INET. +// In practice, all platforms appear to have the same value. See +// src/include/utils/inet.h for more information. +const ( + defaultAFInet = 2 + defaultAFInet6 = 3 +) + +// Inet represents both inet and cidr PostgreSQL types. +type Inet struct { + IPNet *net.IPNet + Status Status +} + +func (dst *Inet) Set(src interface{}) error { + if src == nil { + *dst = Inet{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case net.IPNet: + *dst = Inet{IPNet: &value, Status: Present} + case net.IP: + if len(value) == 0 { + *dst = Inet{Status: Null} + } else { + bitCount := len(value) * 8 + mask := net.CIDRMask(bitCount, bitCount) + *dst = Inet{IPNet: &net.IPNet{Mask: mask, IP: value}, Status: Present} + } + case string: + ip, ipnet, err := net.ParseCIDR(value) + if err != nil { + ip := net.ParseIP(value) + if ip == nil { + return fmt.Errorf("unable to parse inet address: %s", value) + } + + if ipv4 := maybeGetIPv4(value, ip); ipv4 != nil { + ipnet = &net.IPNet{IP: ipv4, Mask: net.CIDRMask(32, 32)} + } else { + ipnet = &net.IPNet{IP: ip, Mask: net.CIDRMask(128, 128)} + } + } else { + ipnet.IP = ip + if ipv4 := maybeGetIPv4(value, ipnet.IP); ipv4 != nil { + ipnet.IP = ipv4 + if len(ipnet.Mask) == 16 { + ipnet.Mask = ipnet.Mask[12:] // Not sure this is ever needed. + } + } + } + + *dst = Inet{IPNet: ipnet, Status: Present} + case *net.IPNet: + if value == nil { + *dst = Inet{Status: Null} + } else { + return dst.Set(*value) + } + case *net.IP: + if value == nil { + *dst = Inet{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Inet{Status: Null} + } else { + return dst.Set(*value) + } + default: + if tv, ok := src.(encoding.TextMarshaler); ok { + text, err := tv.MarshalText() + if err != nil { + return fmt.Errorf("cannot marshal %v: %w", value, err) + } + return dst.Set(string(text)) + } + if sv, ok := src.(fmt.Stringer); ok { + return dst.Set(sv.String()) + } + if originalSrc, ok := underlyingPtrType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Inet", value) + } + + return nil +} + +// Convert the net.IP to IPv4, if appropriate. +// +// When parsing a string to a net.IP using net.ParseIP() and the like, we get a +// 16 byte slice for IPv4 addresses as well as IPv6 addresses. This function +// calls To4() to convert them to a 4 byte slice. This is useful as it allows +// users of the net.IP check for IPv4 addresses based on the length and makes +// it clear we are handling IPv4 as opposed to IPv6 or IPv4-mapped IPv6 +// addresses. +func maybeGetIPv4(input string, ip net.IP) net.IP { + // Do not do this if the provided input looks like IPv6. This is because + // To4() on IPv4-mapped IPv6 addresses converts them to IPv4, which behave + // different in some cases. + if strings.Contains(input, ":") { + return nil + } + + return ip.To4() +} + +func (dst Inet) Get() interface{} { + switch dst.Status { + case Present: + return dst.IPNet + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Inet) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *net.IPNet: + *v = net.IPNet{ + IP: make(net.IP, len(src.IPNet.IP)), + Mask: make(net.IPMask, len(src.IPNet.Mask)), + } + copy(v.IP, src.IPNet.IP) + copy(v.Mask, src.IPNet.Mask) + return nil + case *net.IP: + if oneCount, bitCount := src.IPNet.Mask.Size(); oneCount != bitCount { + return fmt.Errorf("cannot assign %v to %T", src, dst) + } + *v = make(net.IP, len(src.IPNet.IP)) + copy(*v, src.IPNet.IP) + return nil + default: + if tv, ok := dst.(encoding.TextUnmarshaler); ok { + if err := tv.UnmarshalText([]byte(src.IPNet.String())); err != nil { + return fmt.Errorf("cannot unmarshal %v to %T: %w", src, dst, err) + } + return nil + } + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Inet) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Inet{Status: Null} + return nil + } + + var ipnet *net.IPNet + var err error + + if ip := net.ParseIP(string(src)); ip != nil { + if ipv4 := ip.To4(); ipv4 != nil { + ip = ipv4 + } + bitCount := len(ip) * 8 + mask := net.CIDRMask(bitCount, bitCount) + ipnet = &net.IPNet{Mask: mask, IP: ip} + } else { + ip, ipnet, err = net.ParseCIDR(string(src)) + if err != nil { + return err + } + if ipv4 := ip.To4(); ipv4 != nil { + ip = ipv4 + } + ones, _ := ipnet.Mask.Size() + *ipnet = net.IPNet{IP: ip, Mask: net.CIDRMask(ones, len(ip)*8)} + } + + *dst = Inet{IPNet: ipnet, Status: Present} + return nil +} + +func (dst *Inet) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Inet{Status: Null} + return nil + } + + if len(src) != 8 && len(src) != 20 { + return fmt.Errorf("Received an invalid size for an inet: %d", len(src)) + } + + // ignore family + bits := src[1] + // ignore is_cidr + addressLength := src[3] + + var ipnet net.IPNet + ipnet.IP = make(net.IP, int(addressLength)) + copy(ipnet.IP, src[4:]) + if ipv4 := ipnet.IP.To4(); ipv4 != nil { + ipnet.IP = ipv4 + } + ipnet.Mask = net.CIDRMask(int(bits), len(ipnet.IP)*8) + + *dst = Inet{IPNet: &ipnet, Status: Present} + + return nil +} + +func (src Inet) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.IPNet.String()...), nil +} + +// EncodeBinary encodes src into w. +func (src Inet) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var family byte + switch len(src.IPNet.IP) { + case net.IPv4len: + family = defaultAFInet + case net.IPv6len: + family = defaultAFInet6 + default: + return nil, fmt.Errorf("Unexpected IP length: %v", len(src.IPNet.IP)) + } + + buf = append(buf, family) + + ones, _ := src.IPNet.Mask.Size() + buf = append(buf, byte(ones)) + + // is_cidr is ignored on server + buf = append(buf, 0) + + buf = append(buf, byte(len(src.IPNet.IP))) + + return append(buf, src.IPNet.IP...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Inet) Scan(src interface{}) error { + if src == nil { + *dst = Inet{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Inet) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/inet_array.go b/vendor/github.com/jackc/pgtype/inet_array.go new file mode 100644 index 000000000..2460a1c4d --- /dev/null +++ b/vendor/github.com/jackc/pgtype/inet_array.go @@ -0,0 +1,546 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "net" + "reflect" + + "github.com/jackc/pgio" +) + +type InetArray struct { + Elements []Inet + Dimensions []ArrayDimension + Status Status +} + +func (dst *InetArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = InetArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []*net.IPNet: + if value == nil { + *dst = InetArray{Status: Null} + } else if len(value) == 0 { + *dst = InetArray{Status: Present} + } else { + elements := make([]Inet, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = InetArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []net.IP: + if value == nil { + *dst = InetArray{Status: Null} + } else if len(value) == 0 { + *dst = InetArray{Status: Present} + } else { + elements := make([]Inet, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = InetArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*net.IP: + if value == nil { + *dst = InetArray{Status: Null} + } else if len(value) == 0 { + *dst = InetArray{Status: Present} + } else { + elements := make([]Inet, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = InetArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Inet: + if value == nil { + *dst = InetArray{Status: Null} + } else if len(value) == 0 { + *dst = InetArray{Status: Present} + } else { + *dst = InetArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = InetArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for InetArray", src) + } + if elementsLength == 0 { + *dst = InetArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to InetArray", src) + } + + *dst = InetArray{ + Elements: make([]Inet, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Inet, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to InetArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *InetArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to InetArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in InetArray", err) + } + index++ + + return index, nil +} + +func (dst InetArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *InetArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]*net.IPNet: + *v = make([]*net.IPNet, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]net.IP: + *v = make([]net.IP, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*net.IP: + *v = make([]*net.IP, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *InetArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from InetArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from InetArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *InetArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = InetArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Inet + + if len(uta.Elements) > 0 { + elements = make([]Inet, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Inet + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = InetArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *InetArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = InetArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = InetArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Inet, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = InetArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src InetArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src InetArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("inet"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "inet") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *InetArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src InetArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/int2.go b/vendor/github.com/jackc/pgtype/int2.go new file mode 100644 index 000000000..0775882ab --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int2.go @@ -0,0 +1,321 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgio" +) + +type Int2 struct { + Int int16 + Status Status +} + +func (dst *Int2) Set(src interface{}) error { + if src == nil { + *dst = Int2{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case int8: + *dst = Int2{Int: int16(value), Status: Present} + case uint8: + *dst = Int2{Int: int16(value), Status: Present} + case int16: + *dst = Int2{Int: int16(value), Status: Present} + case uint16: + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case int32: + if value < math.MinInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case uint32: + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case int64: + if value < math.MinInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case uint64: + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case int: + if value < math.MinInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case uint: + if value > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case string: + num, err := strconv.ParseInt(value, 10, 16) + if err != nil { + return err + } + *dst = Int2{Int: int16(num), Status: Present} + case float32: + if value > math.MaxInt16 { + return fmt.Errorf("%f is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case float64: + if value > math.MaxInt16 { + return fmt.Errorf("%f is greater than maximum value for Int2", value) + } + *dst = Int2{Int: int16(value), Status: Present} + case *int8: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *uint8: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *int16: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *uint16: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *int32: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *uint32: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *int64: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *uint64: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *int: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *uint: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *float32: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + case *float64: + if value == nil { + *dst = Int2{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Int2", value) + } + + return nil +} + +func (dst Int2) Get() interface{} { + switch dst.Status { + case Present: + return dst.Int + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int2) AssignTo(dst interface{}) error { + return int64AssignTo(int64(src.Int), src.Status, dst) +} + +func (dst *Int2) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int2{Status: Null} + return nil + } + + n, err := strconv.ParseInt(string(src), 10, 16) + if err != nil { + return err + } + + *dst = Int2{Int: int16(n), Status: Present} + return nil +} + +func (dst *Int2) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int2{Status: Null} + return nil + } + + if len(src) != 2 { + return fmt.Errorf("invalid length for int2: %v", len(src)) + } + + n := int16(binary.BigEndian.Uint16(src)) + *dst = Int2{Int: n, Status: Present} + return nil +} + +func (src Int2) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, strconv.FormatInt(int64(src.Int), 10)...), nil +} + +func (src Int2) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return pgio.AppendInt16(buf, src.Int), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int2) Scan(src interface{}) error { + if src == nil { + *dst = Int2{Status: Null} + return nil + } + + switch src := src.(type) { + case int64: + if src < math.MinInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", src) + } + if src > math.MaxInt16 { + return fmt.Errorf("%d is greater than maximum value for Int2", src) + } + *dst = Int2{Int: int16(src), Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int2) Value() (driver.Value, error) { + switch src.Status { + case Present: + return int64(src.Int), nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Int2) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + return []byte(strconv.FormatInt(int64(src.Int), 10)), nil + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + return nil, errBadStatus +} + +func (dst *Int2) UnmarshalJSON(b []byte) error { + var n *int16 + err := json.Unmarshal(b, &n) + if err != nil { + return err + } + + if n == nil { + *dst = Int2{Status: Null} + } else { + *dst = Int2{Int: *n, Status: Present} + } + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/int2_array.go b/vendor/github.com/jackc/pgtype/int2_array.go new file mode 100644 index 000000000..a51338450 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int2_array.go @@ -0,0 +1,909 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type Int2Array struct { + Elements []Int2 + Dimensions []ArrayDimension + Status Status +} + +func (dst *Int2Array) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int2Array{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []int16: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int16: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint16: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint16: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int32: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int32: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint32: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint32: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int64: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int64: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint64: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint64: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + elements := make([]Int2, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int2Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Int2: + if value == nil { + *dst = Int2Array{Status: Null} + } else if len(value) == 0 { + *dst = Int2Array{Status: Present} + } else { + *dst = Int2Array{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = Int2Array{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for Int2Array", src) + } + if elementsLength == 0 { + *dst = Int2Array{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Int2Array", src) + } + + *dst = Int2Array{ + Elements: make([]Int2, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Int2, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to Int2Array, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *Int2Array) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to Int2Array") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in Int2Array", err) + } + index++ + + return index, nil +} + +func (dst Int2Array) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int2Array) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]int16: + *v = make([]int16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int16: + *v = make([]*int16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint16: + *v = make([]uint16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint16: + *v = make([]*uint16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int32: + *v = make([]int32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int32: + *v = make([]*int32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint32: + *v = make([]uint32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint32: + *v = make([]*uint32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int64: + *v = make([]int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int64: + *v = make([]*int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint64: + *v = make([]uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint64: + *v = make([]*uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int: + *v = make([]int, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int: + *v = make([]*int, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint: + *v = make([]uint, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint: + *v = make([]*uint, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *Int2Array) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from Int2Array") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from Int2Array") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *Int2Array) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int2Array{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Int2 + + if len(uta.Elements) > 0 { + elements = make([]Int2, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Int2 + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Int2Array{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *Int2Array) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int2Array{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = Int2Array{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Int2, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Int2Array{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src Int2Array) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src Int2Array) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("int2"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "int2") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int2Array) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int2Array) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/int4.go b/vendor/github.com/jackc/pgtype/int4.go new file mode 100644 index 000000000..22b48e5e5 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int4.go @@ -0,0 +1,312 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgio" +) + +type Int4 struct { + Int int32 + Status Status +} + +func (dst *Int4) Set(src interface{}) error { + if src == nil { + *dst = Int4{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case int8: + *dst = Int4{Int: int32(value), Status: Present} + case uint8: + *dst = Int4{Int: int32(value), Status: Present} + case int16: + *dst = Int4{Int: int32(value), Status: Present} + case uint16: + *dst = Int4{Int: int32(value), Status: Present} + case int32: + *dst = Int4{Int: int32(value), Status: Present} + case uint32: + if value > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case int64: + if value < math.MinInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + if value > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case uint64: + if value > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case int: + if value < math.MinInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + if value > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case uint: + if value > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case string: + num, err := strconv.ParseInt(value, 10, 32) + if err != nil { + return err + } + *dst = Int4{Int: int32(num), Status: Present} + case float32: + if value > math.MaxInt32 { + return fmt.Errorf("%f is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case float64: + if value > math.MaxInt32 { + return fmt.Errorf("%f is greater than maximum value for Int4", value) + } + *dst = Int4{Int: int32(value), Status: Present} + case *int8: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint8: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *int16: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint16: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *int32: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint32: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *int64: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint64: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *int: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *uint: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *float32: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + case *float64: + if value == nil { + *dst = Int4{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Int4", value) + } + + return nil +} + +func (dst Int4) Get() interface{} { + switch dst.Status { + case Present: + return dst.Int + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int4) AssignTo(dst interface{}) error { + return int64AssignTo(int64(src.Int), src.Status, dst) +} + +func (dst *Int4) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4{Status: Null} + return nil + } + + n, err := strconv.ParseInt(string(src), 10, 32) + if err != nil { + return err + } + + *dst = Int4{Int: int32(n), Status: Present} + return nil +} + +func (dst *Int4) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4{Status: Null} + return nil + } + + if len(src) != 4 { + return fmt.Errorf("invalid length for int4: %v", len(src)) + } + + n := int32(binary.BigEndian.Uint32(src)) + *dst = Int4{Int: n, Status: Present} + return nil +} + +func (src Int4) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, strconv.FormatInt(int64(src.Int), 10)...), nil +} + +func (src Int4) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return pgio.AppendInt32(buf, src.Int), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int4) Scan(src interface{}) error { + if src == nil { + *dst = Int4{Status: Null} + return nil + } + + switch src := src.(type) { + case int64: + if src < math.MinInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", src) + } + if src > math.MaxInt32 { + return fmt.Errorf("%d is greater than maximum value for Int4", src) + } + *dst = Int4{Int: int32(src), Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int4) Value() (driver.Value, error) { + switch src.Status { + case Present: + return int64(src.Int), nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Int4) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + return []byte(strconv.FormatInt(int64(src.Int), 10)), nil + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + return nil, errBadStatus +} + +func (dst *Int4) UnmarshalJSON(b []byte) error { + var n *int32 + err := json.Unmarshal(b, &n) + if err != nil { + return err + } + + if n == nil { + *dst = Int4{Status: Null} + } else { + *dst = Int4{Int: *n, Status: Present} + } + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/int4_array.go b/vendor/github.com/jackc/pgtype/int4_array.go new file mode 100644 index 000000000..de26236fd --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int4_array.go @@ -0,0 +1,909 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type Int4Array struct { + Elements []Int4 + Dimensions []ArrayDimension + Status Status +} + +func (dst *Int4Array) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int4Array{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []int16: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int16: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint16: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint16: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int32: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int32: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint32: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint32: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int64: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int64: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint64: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint64: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + elements := make([]Int4, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Int4: + if value == nil { + *dst = Int4Array{Status: Null} + } else if len(value) == 0 { + *dst = Int4Array{Status: Present} + } else { + *dst = Int4Array{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = Int4Array{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for Int4Array", src) + } + if elementsLength == 0 { + *dst = Int4Array{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Int4Array", src) + } + + *dst = Int4Array{ + Elements: make([]Int4, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Int4, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to Int4Array, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *Int4Array) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to Int4Array") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in Int4Array", err) + } + index++ + + return index, nil +} + +func (dst Int4Array) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int4Array) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]int16: + *v = make([]int16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int16: + *v = make([]*int16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint16: + *v = make([]uint16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint16: + *v = make([]*uint16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int32: + *v = make([]int32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int32: + *v = make([]*int32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint32: + *v = make([]uint32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint32: + *v = make([]*uint32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int64: + *v = make([]int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int64: + *v = make([]*int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint64: + *v = make([]uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint64: + *v = make([]*uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int: + *v = make([]int, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int: + *v = make([]*int, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint: + *v = make([]uint, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint: + *v = make([]*uint, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *Int4Array) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from Int4Array") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from Int4Array") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *Int4Array) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4Array{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Int4 + + if len(uta.Elements) > 0 { + elements = make([]Int4, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Int4 + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Int4Array{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *Int4Array) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4Array{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = Int4Array{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Int4, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Int4Array{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src Int4Array) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src Int4Array) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("int4"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "int4") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int4Array) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int4Array) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/int4_multirange.go b/vendor/github.com/jackc/pgtype/int4_multirange.go new file mode 100644 index 000000000..c3432ce63 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int4_multirange.go @@ -0,0 +1,239 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + + "github.com/jackc/pgio" +) + +type Int4multirange struct { + Ranges []Int4range + Status Status +} + +func (dst *Int4multirange) Set(src interface{}) error { + //untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int4multirange{Status: Null} + return nil + } + + switch value := src.(type) { + case Int4multirange: + *dst = value + case *Int4multirange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + case []Int4range: + if value == nil { + *dst = Int4multirange{Status: Null} + } else if len(value) == 0 { + *dst = Int4multirange{Status: Present} + } else { + elements := make([]Int4range, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4multirange{ + Ranges: elements, + Status: Present, + } + } + case []*Int4range: + if value == nil { + *dst = Int4multirange{Status: Null} + } else if len(value) == 0 { + *dst = Int4multirange{Status: Present} + } else { + elements := make([]Int4range, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int4multirange{ + Ranges: elements, + Status: Present, + } + } + default: + return fmt.Errorf("cannot convert %v to Int4multirange", src) + } + + return nil + +} + +func (dst Int4multirange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int4multirange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Int4multirange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4multirange{Status: Null} + return nil + } + + utmr, err := ParseUntypedTextMultirange(string(src)) + if err != nil { + return err + } + + var elements []Int4range + + if len(utmr.Elements) > 0 { + elements = make([]Int4range, len(utmr.Elements)) + + for i, s := range utmr.Elements { + var elem Int4range + + elemSrc := []byte(s) + + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Int4multirange{Ranges: elements, Status: Present} + + return nil +} + +func (dst *Int4multirange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4multirange{Status: Null} + return nil + } + + rp := 0 + + numElems := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + if numElems == 0 { + *dst = Int4multirange{Status: Present} + return nil + } + + elements := make([]Int4range, numElems) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err := elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Int4multirange{Ranges: elements, Status: Present} + return nil +} + +func (src Int4multirange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, '{') + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Ranges { + if i > 0 { + buf = append(buf, ',') + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + return nil, fmt.Errorf("multi-range does not allow null range") + } else { + buf = append(buf, string(elemBuf)...) + } + + } + + buf = append(buf, '}') + + return buf, nil +} + +func (src Int4multirange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, int32(len(src.Ranges))) + + for i := range src.Ranges { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Ranges[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int4multirange) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int4multirange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/int4range.go b/vendor/github.com/jackc/pgtype/int4range.go new file mode 100644 index 000000000..c7f51fa6a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int4range.go @@ -0,0 +1,267 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + + "github.com/jackc/pgio" +) + +type Int4range struct { + Lower Int4 + Upper Int4 + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *Int4range) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int4range{Status: Null} + return nil + } + + switch value := src.(type) { + case Int4range: + *dst = value + case *Int4range: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to Int4range", src) + } + + return nil +} + +func (dst Int4range) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int4range) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Int4range) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4range{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = Int4range{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *Int4range) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int4range{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = Int4range{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src Int4range) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src Int4range) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int4range) Scan(src interface{}) error { + if src == nil { + *dst = Int4range{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int4range) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/int8.go b/vendor/github.com/jackc/pgtype/int8.go new file mode 100644 index 000000000..1c1fca779 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int8.go @@ -0,0 +1,292 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgio" +) + +type Int8 struct { + Int int64 + Status Status +} + +func (dst *Int8) Set(src interface{}) error { + if src == nil { + *dst = Int8{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case int8: + *dst = Int8{Int: int64(value), Status: Present} + case uint8: + *dst = Int8{Int: int64(value), Status: Present} + case int16: + *dst = Int8{Int: int64(value), Status: Present} + case uint16: + *dst = Int8{Int: int64(value), Status: Present} + case int32: + *dst = Int8{Int: int64(value), Status: Present} + case uint32: + *dst = Int8{Int: int64(value), Status: Present} + case int64: + *dst = Int8{Int: int64(value), Status: Present} + case uint64: + if value > math.MaxInt64 { + return fmt.Errorf("%d is greater than maximum value for Int8", value) + } + *dst = Int8{Int: int64(value), Status: Present} + case int: + *dst = Int8{Int: int64(value), Status: Present} + case uint: + if uint64(value) > math.MaxInt64 { + return fmt.Errorf("%d is greater than maximum value for Int8", value) + } + *dst = Int8{Int: int64(value), Status: Present} + case string: + num, err := strconv.ParseInt(value, 10, 64) + if err != nil { + return err + } + *dst = Int8{Int: num, Status: Present} + case float32: + if value > math.MaxInt64 { + return fmt.Errorf("%f is greater than maximum value for Int8", value) + } + *dst = Int8{Int: int64(value), Status: Present} + case float64: + if value > math.MaxInt64 { + return fmt.Errorf("%f is greater than maximum value for Int8", value) + } + *dst = Int8{Int: int64(value), Status: Present} + case *int8: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint8: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *int16: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint16: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *int32: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint32: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *int64: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint64: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *int: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *uint: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *float32: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + case *float64: + if value == nil { + *dst = Int8{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Int8", value) + } + + return nil +} + +func (dst Int8) Get() interface{} { + switch dst.Status { + case Present: + return dst.Int + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int8) AssignTo(dst interface{}) error { + return int64AssignTo(int64(src.Int), src.Status, dst) +} + +func (dst *Int8) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8{Status: Null} + return nil + } + + n, err := strconv.ParseInt(string(src), 10, 64) + if err != nil { + return err + } + + *dst = Int8{Int: n, Status: Present} + return nil +} + +func (dst *Int8) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8{Status: Null} + return nil + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for int8: %v", len(src)) + } + + n := int64(binary.BigEndian.Uint64(src)) + + *dst = Int8{Int: n, Status: Present} + return nil +} + +func (src Int8) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, strconv.FormatInt(src.Int, 10)...), nil +} + +func (src Int8) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return pgio.AppendInt64(buf, src.Int), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int8) Scan(src interface{}) error { + if src == nil { + *dst = Int8{Status: Null} + return nil + } + + switch src := src.(type) { + case int64: + *dst = Int8{Int: src, Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int8) Value() (driver.Value, error) { + switch src.Status { + case Present: + return int64(src.Int), nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Int8) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + return []byte(strconv.FormatInt(src.Int, 10)), nil + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + return nil, errBadStatus +} + +func (dst *Int8) UnmarshalJSON(b []byte) error { + var n *int64 + err := json.Unmarshal(b, &n) + if err != nil { + return err + } + + if n == nil { + *dst = Int8{Status: Null} + } else { + *dst = Int8{Int: *n, Status: Present} + } + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/int8_array.go b/vendor/github.com/jackc/pgtype/int8_array.go new file mode 100644 index 000000000..e405b326d --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int8_array.go @@ -0,0 +1,909 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type Int8Array struct { + Elements []Int8 + Dimensions []ArrayDimension + Status Status +} + +func (dst *Int8Array) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int8Array{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []int16: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int16: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint16: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint16: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int32: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int32: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint32: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint32: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int64: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int64: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint64: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint64: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + elements := make([]Int8, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8Array{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Int8: + if value == nil { + *dst = Int8Array{Status: Null} + } else if len(value) == 0 { + *dst = Int8Array{Status: Present} + } else { + *dst = Int8Array{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = Int8Array{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for Int8Array", src) + } + if elementsLength == 0 { + *dst = Int8Array{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Int8Array", src) + } + + *dst = Int8Array{ + Elements: make([]Int8, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Int8, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to Int8Array, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *Int8Array) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to Int8Array") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in Int8Array", err) + } + index++ + + return index, nil +} + +func (dst Int8Array) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int8Array) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]int16: + *v = make([]int16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int16: + *v = make([]*int16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint16: + *v = make([]uint16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint16: + *v = make([]*uint16, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int32: + *v = make([]int32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int32: + *v = make([]*int32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint32: + *v = make([]uint32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint32: + *v = make([]*uint32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int64: + *v = make([]int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int64: + *v = make([]*int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint64: + *v = make([]uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint64: + *v = make([]*uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int: + *v = make([]int, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int: + *v = make([]*int, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint: + *v = make([]uint, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint: + *v = make([]*uint, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *Int8Array) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from Int8Array") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from Int8Array") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *Int8Array) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8Array{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Int8 + + if len(uta.Elements) > 0 { + elements = make([]Int8, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Int8 + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Int8Array{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *Int8Array) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8Array{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = Int8Array{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Int8, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Int8Array{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src Int8Array) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src Int8Array) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("int8"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "int8") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int8Array) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int8Array) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/int8_multirange.go b/vendor/github.com/jackc/pgtype/int8_multirange.go new file mode 100644 index 000000000..e0976427a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int8_multirange.go @@ -0,0 +1,239 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + + "github.com/jackc/pgio" +) + +type Int8multirange struct { + Ranges []Int8range + Status Status +} + +func (dst *Int8multirange) Set(src interface{}) error { + //untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int8multirange{Status: Null} + return nil + } + + switch value := src.(type) { + case Int8multirange: + *dst = value + case *Int8multirange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + case []Int8range: + if value == nil { + *dst = Int8multirange{Status: Null} + } else if len(value) == 0 { + *dst = Int8multirange{Status: Present} + } else { + elements := make([]Int8range, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8multirange{ + Ranges: elements, + Status: Present, + } + } + case []*Int8range: + if value == nil { + *dst = Int8multirange{Status: Null} + } else if len(value) == 0 { + *dst = Int8multirange{Status: Present} + } else { + elements := make([]Int8range, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Int8multirange{ + Ranges: elements, + Status: Present, + } + } + default: + return fmt.Errorf("cannot convert %v to Int8multirange", src) + } + + return nil + +} + +func (dst Int8multirange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int8multirange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Int8multirange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8multirange{Status: Null} + return nil + } + + utmr, err := ParseUntypedTextMultirange(string(src)) + if err != nil { + return err + } + + var elements []Int8range + + if len(utmr.Elements) > 0 { + elements = make([]Int8range, len(utmr.Elements)) + + for i, s := range utmr.Elements { + var elem Int8range + + elemSrc := []byte(s) + + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Int8multirange{Ranges: elements, Status: Present} + + return nil +} + +func (dst *Int8multirange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8multirange{Status: Null} + return nil + } + + rp := 0 + + numElems := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + if numElems == 0 { + *dst = Int8multirange{Status: Present} + return nil + } + + elements := make([]Int8range, numElems) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err := elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Int8multirange{Ranges: elements, Status: Present} + return nil +} + +func (src Int8multirange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, '{') + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Ranges { + if i > 0 { + buf = append(buf, ',') + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + return nil, fmt.Errorf("multi-range does not allow null range") + } else { + buf = append(buf, string(elemBuf)...) + } + + } + + buf = append(buf, '}') + + return buf, nil +} + +func (src Int8multirange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, int32(len(src.Ranges))) + + for i := range src.Ranges { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Ranges[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int8multirange) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int8multirange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/int8range.go b/vendor/github.com/jackc/pgtype/int8range.go new file mode 100644 index 000000000..71369373f --- /dev/null +++ b/vendor/github.com/jackc/pgtype/int8range.go @@ -0,0 +1,267 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + + "github.com/jackc/pgio" +) + +type Int8range struct { + Lower Int8 + Upper Int8 + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *Int8range) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Int8range{Status: Null} + return nil + } + + switch value := src.(type) { + case Int8range: + *dst = value + case *Int8range: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to Int8range", src) + } + + return nil +} + +func (dst Int8range) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Int8range) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Int8range) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8range{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = Int8range{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *Int8range) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Int8range{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = Int8range{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src Int8range) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src Int8range) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Int8range) Scan(src interface{}) error { + if src == nil { + *dst = Int8range{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Int8range) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/interval.go b/vendor/github.com/jackc/pgtype/interval.go new file mode 100644 index 000000000..00ec47c53 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/interval.go @@ -0,0 +1,257 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "strconv" + "strings" + "time" + + "github.com/jackc/pgio" +) + +const ( + microsecondsPerSecond = 1000000 + microsecondsPerMinute = 60 * microsecondsPerSecond + microsecondsPerHour = 60 * microsecondsPerMinute + microsecondsPerDay = 24 * microsecondsPerHour + microsecondsPerMonth = 30 * microsecondsPerDay +) + +type Interval struct { + Microseconds int64 + Days int32 + Months int32 + Status Status +} + +func (dst *Interval) Set(src interface{}) error { + if src == nil { + *dst = Interval{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case time.Duration: + *dst = Interval{Microseconds: int64(value) / 1000, Status: Present} + default: + if originalSrc, ok := underlyingPtrType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Interval", value) + } + + return nil +} + +func (dst Interval) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Interval) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *time.Duration: + us := int64(src.Months)*microsecondsPerMonth + int64(src.Days)*microsecondsPerDay + src.Microseconds + *v = time.Duration(us) * time.Microsecond + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Interval) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Interval{Status: Null} + return nil + } + + var microseconds int64 + var days int32 + var months int32 + + parts := strings.Split(string(src), " ") + + for i := 0; i < len(parts)-1; i += 2 { + scalar, err := strconv.ParseInt(parts[i], 10, 64) + if err != nil { + return fmt.Errorf("bad interval format") + } + + switch parts[i+1] { + case "year", "years": + months += int32(scalar * 12) + case "mon", "mons": + months += int32(scalar) + case "day", "days": + days = int32(scalar) + } + } + + if len(parts)%2 == 1 { + timeParts := strings.SplitN(parts[len(parts)-1], ":", 3) + if len(timeParts) != 3 { + return fmt.Errorf("bad interval format") + } + + var negative bool + if timeParts[0][0] == '-' { + negative = true + timeParts[0] = timeParts[0][1:] + } + + hours, err := strconv.ParseInt(timeParts[0], 10, 64) + if err != nil { + return fmt.Errorf("bad interval hour format: %s", timeParts[0]) + } + + minutes, err := strconv.ParseInt(timeParts[1], 10, 64) + if err != nil { + return fmt.Errorf("bad interval minute format: %s", timeParts[1]) + } + + secondParts := strings.SplitN(timeParts[2], ".", 2) + + seconds, err := strconv.ParseInt(secondParts[0], 10, 64) + if err != nil { + return fmt.Errorf("bad interval second format: %s", secondParts[0]) + } + + var uSeconds int64 + if len(secondParts) == 2 { + uSeconds, err = strconv.ParseInt(secondParts[1], 10, 64) + if err != nil { + return fmt.Errorf("bad interval decimal format: %s", secondParts[1]) + } + + for i := 0; i < 6-len(secondParts[1]); i++ { + uSeconds *= 10 + } + } + + microseconds = hours * microsecondsPerHour + microseconds += minutes * microsecondsPerMinute + microseconds += seconds * microsecondsPerSecond + microseconds += uSeconds + + if negative { + microseconds = -microseconds + } + } + + *dst = Interval{Months: months, Days: days, Microseconds: microseconds, Status: Present} + return nil +} + +func (dst *Interval) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Interval{Status: Null} + return nil + } + + if len(src) != 16 { + return fmt.Errorf("Received an invalid size for an interval: %d", len(src)) + } + + microseconds := int64(binary.BigEndian.Uint64(src)) + days := int32(binary.BigEndian.Uint32(src[8:])) + months := int32(binary.BigEndian.Uint32(src[12:])) + + *dst = Interval{Microseconds: microseconds, Days: days, Months: months, Status: Present} + return nil +} + +func (src Interval) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if src.Months != 0 { + buf = append(buf, strconv.FormatInt(int64(src.Months), 10)...) + buf = append(buf, " mon "...) + } + + if src.Days != 0 { + buf = append(buf, strconv.FormatInt(int64(src.Days), 10)...) + buf = append(buf, " day "...) + } + + absMicroseconds := src.Microseconds + if absMicroseconds < 0 { + absMicroseconds = -absMicroseconds + buf = append(buf, '-') + } + + hours := absMicroseconds / microsecondsPerHour + minutes := (absMicroseconds % microsecondsPerHour) / microsecondsPerMinute + seconds := (absMicroseconds % microsecondsPerMinute) / microsecondsPerSecond + microseconds := absMicroseconds % microsecondsPerSecond + + timeStr := fmt.Sprintf("%02d:%02d:%02d.%06d", hours, minutes, seconds, microseconds) + return append(buf, timeStr...), nil +} + +// EncodeBinary encodes src into w. +func (src Interval) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt64(buf, src.Microseconds) + buf = pgio.AppendInt32(buf, src.Days) + return pgio.AppendInt32(buf, src.Months), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Interval) Scan(src interface{}) error { + if src == nil { + *dst = Interval{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Interval) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/json.go b/vendor/github.com/jackc/pgtype/json.go new file mode 100644 index 000000000..0aa0805c9 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/json.go @@ -0,0 +1,210 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/json" + "errors" + "fmt" + "reflect" +) + +type JSON struct { + Bytes []byte + Status Status +} + +func (dst *JSON) Set(src interface{}) error { + if src == nil { + *dst = JSON{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case string: + *dst = JSON{Bytes: []byte(value), Status: Present} + case *string: + if value == nil { + *dst = JSON{Status: Null} + } else { + *dst = JSON{Bytes: []byte(*value), Status: Present} + } + case []byte: + if value == nil { + *dst = JSON{Status: Null} + } else { + *dst = JSON{Bytes: value, Status: Present} + } + // Encode* methods are defined on *JSON. If JSON is passed directly then the + // struct itself would be encoded instead of Bytes. This is clearly a footgun + // so detect and return an error. See https://github.com/jackc/pgx/issues/350. + case JSON: + return errors.New("use pointer to pgtype.JSON instead of value") + // Same as above but for JSONB (because they share implementation) + case JSONB: + return errors.New("use pointer to pgtype.JSONB instead of value") + + default: + buf, err := json.Marshal(value) + if err != nil { + return err + } + *dst = JSON{Bytes: buf, Status: Present} + } + + return nil +} + +func (dst JSON) Get() interface{} { + switch dst.Status { + case Present: + var i interface{} + err := json.Unmarshal(dst.Bytes, &i) + if err != nil { + return dst + } + return i + case Null: + return nil + default: + return dst.Status + } +} + +func (src *JSON) AssignTo(dst interface{}) error { + switch v := dst.(type) { + case *string: + if src.Status == Present { + *v = string(src.Bytes) + } else { + return fmt.Errorf("cannot assign non-present status to %T", dst) + } + case **string: + if src.Status == Present { + s := string(src.Bytes) + *v = &s + return nil + } else { + *v = nil + return nil + } + case *[]byte: + if src.Status != Present { + *v = nil + } else { + buf := make([]byte, len(src.Bytes)) + copy(buf, src.Bytes) + *v = buf + } + default: + data := src.Bytes + if data == nil || src.Status != Present { + data = []byte("null") + } + + p := reflect.ValueOf(dst).Elem() + p.Set(reflect.Zero(p.Type())) + + return json.Unmarshal(data, dst) + } + + return nil +} + +func (JSON) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *JSON) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = JSON{Status: Null} + return nil + } + + *dst = JSON{Bytes: src, Status: Present} + return nil +} + +func (dst *JSON) DecodeBinary(ci *ConnInfo, src []byte) error { + return dst.DecodeText(ci, src) +} + +func (JSON) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (src JSON) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.Bytes...), nil +} + +func (src JSON) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return src.EncodeText(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *JSON) Scan(src interface{}) error { + if src == nil { + *dst = JSON{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src JSON) Value() (driver.Value, error) { + switch src.Status { + case Present: + return src.Bytes, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src JSON) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + return src.Bytes, nil + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + return nil, errBadStatus +} + +func (dst *JSON) UnmarshalJSON(b []byte) error { + if b == nil || string(b) == "null" { + *dst = JSON{Status: Null} + } else { + bCopy := make([]byte, len(b)) + copy(bCopy, b) + *dst = JSON{Bytes: bCopy, Status: Present} + } + return nil +} diff --git a/vendor/github.com/jackc/pgtype/json_array.go b/vendor/github.com/jackc/pgtype/json_array.go new file mode 100644 index 000000000..8d68882f0 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/json_array.go @@ -0,0 +1,546 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type JSONArray struct { + Elements []JSON + Dimensions []ArrayDimension + Status Status +} + +func (dst *JSONArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = JSONArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = JSONArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONArray{Status: Present} + } else { + elements := make([]JSON, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = JSONArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case [][]byte: + if value == nil { + *dst = JSONArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONArray{Status: Present} + } else { + elements := make([]JSON, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = JSONArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []json.RawMessage: + if value == nil { + *dst = JSONArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONArray{Status: Present} + } else { + elements := make([]JSON, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = JSONArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []JSON: + if value == nil { + *dst = JSONArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONArray{Status: Present} + } else { + *dst = JSONArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = JSONArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for JSONArray", src) + } + if elementsLength == 0 { + *dst = JSONArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to JSONArray", src) + } + + *dst = JSONArray{ + Elements: make([]JSON, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]JSON, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to JSONArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *JSONArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to JSONArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in JSONArray", err) + } + index++ + + return index, nil +} + +func (dst JSONArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *JSONArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[][]byte: + *v = make([][]byte, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]json.RawMessage: + *v = make([]json.RawMessage, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *JSONArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from JSONArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from JSONArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *JSONArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = JSONArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []JSON + + if len(uta.Elements) > 0 { + elements = make([]JSON, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem JSON + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = JSONArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *JSONArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = JSONArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = JSONArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]JSON, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = JSONArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src JSONArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src JSONArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("json"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "json") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *JSONArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src JSONArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/jsonb.go b/vendor/github.com/jackc/pgtype/jsonb.go new file mode 100644 index 000000000..c9dafc939 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/jsonb.go @@ -0,0 +1,85 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" +) + +type JSONB JSON + +func (dst *JSONB) Set(src interface{}) error { + return (*JSON)(dst).Set(src) +} + +func (dst JSONB) Get() interface{} { + return (JSON)(dst).Get() +} + +func (src *JSONB) AssignTo(dst interface{}) error { + return (*JSON)(src).AssignTo(dst) +} + +func (JSONB) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *JSONB) DecodeText(ci *ConnInfo, src []byte) error { + return (*JSON)(dst).DecodeText(ci, src) +} + +func (dst *JSONB) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = JSONB{Status: Null} + return nil + } + + if len(src) == 0 { + return fmt.Errorf("jsonb too short") + } + + if src[0] != 1 { + return fmt.Errorf("unknown jsonb version number %d", src[0]) + } + + *dst = JSONB{Bytes: src[1:], Status: Present} + return nil + +} + +func (JSONB) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (src JSONB) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (JSON)(src).EncodeText(ci, buf) +} + +func (src JSONB) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, 1) + return append(buf, src.Bytes...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *JSONB) Scan(src interface{}) error { + return (*JSON)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src JSONB) Value() (driver.Value, error) { + return (JSON)(src).Value() +} + +func (src JSONB) MarshalJSON() ([]byte, error) { + return (JSON)(src).MarshalJSON() +} + +func (dst *JSONB) UnmarshalJSON(b []byte) error { + return (*JSON)(dst).UnmarshalJSON(b) +} diff --git a/vendor/github.com/jackc/pgtype/jsonb_array.go b/vendor/github.com/jackc/pgtype/jsonb_array.go new file mode 100644 index 000000000..e78ad3776 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/jsonb_array.go @@ -0,0 +1,546 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type JSONBArray struct { + Elements []JSONB + Dimensions []ArrayDimension + Status Status +} + +func (dst *JSONBArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = JSONBArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = JSONBArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONBArray{Status: Present} + } else { + elements := make([]JSONB, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = JSONBArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case [][]byte: + if value == nil { + *dst = JSONBArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONBArray{Status: Present} + } else { + elements := make([]JSONB, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = JSONBArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []json.RawMessage: + if value == nil { + *dst = JSONBArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONBArray{Status: Present} + } else { + elements := make([]JSONB, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = JSONBArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []JSONB: + if value == nil { + *dst = JSONBArray{Status: Null} + } else if len(value) == 0 { + *dst = JSONBArray{Status: Present} + } else { + *dst = JSONBArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = JSONBArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for JSONBArray", src) + } + if elementsLength == 0 { + *dst = JSONBArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to JSONBArray", src) + } + + *dst = JSONBArray{ + Elements: make([]JSONB, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]JSONB, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to JSONBArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *JSONBArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to JSONBArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in JSONBArray", err) + } + index++ + + return index, nil +} + +func (dst JSONBArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *JSONBArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[][]byte: + *v = make([][]byte, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]json.RawMessage: + *v = make([]json.RawMessage, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *JSONBArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from JSONBArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from JSONBArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *JSONBArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = JSONBArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []JSONB + + if len(uta.Elements) > 0 { + elements = make([]JSONB, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem JSONB + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = JSONBArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *JSONBArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = JSONBArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = JSONBArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]JSONB, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = JSONBArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src JSONBArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src JSONBArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("jsonb"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "jsonb") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *JSONBArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src JSONBArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/line.go b/vendor/github.com/jackc/pgtype/line.go new file mode 100644 index 000000000..3564b1748 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/line.go @@ -0,0 +1,148 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Line struct { + A, B, C float64 + Status Status +} + +func (dst *Line) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to Line", src) +} + +func (dst Line) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Line) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Line) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Line{Status: Null} + return nil + } + + if len(src) < 7 { + return fmt.Errorf("invalid length for Line: %v", len(src)) + } + + parts := strings.SplitN(string(src[1:len(src)-1]), ",", 3) + if len(parts) < 3 { + return fmt.Errorf("invalid format for line") + } + + a, err := strconv.ParseFloat(parts[0], 64) + if err != nil { + return err + } + + b, err := strconv.ParseFloat(parts[1], 64) + if err != nil { + return err + } + + c, err := strconv.ParseFloat(parts[2], 64) + if err != nil { + return err + } + + *dst = Line{A: a, B: b, C: c, Status: Present} + return nil +} + +func (dst *Line) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Line{Status: Null} + return nil + } + + if len(src) != 24 { + return fmt.Errorf("invalid length for Line: %v", len(src)) + } + + a := binary.BigEndian.Uint64(src) + b := binary.BigEndian.Uint64(src[8:]) + c := binary.BigEndian.Uint64(src[16:]) + + *dst = Line{ + A: math.Float64frombits(a), + B: math.Float64frombits(b), + C: math.Float64frombits(c), + Status: Present, + } + return nil +} + +func (src Line) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, fmt.Sprintf(`{%s,%s,%s}`, + strconv.FormatFloat(src.A, 'f', -1, 64), + strconv.FormatFloat(src.B, 'f', -1, 64), + strconv.FormatFloat(src.C, 'f', -1, 64), + )...) + + return buf, nil +} + +func (src Line) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint64(buf, math.Float64bits(src.A)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.B)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.C)) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Line) Scan(src interface{}) error { + if src == nil { + *dst = Line{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Line) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/lseg.go b/vendor/github.com/jackc/pgtype/lseg.go new file mode 100644 index 000000000..894dae860 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/lseg.go @@ -0,0 +1,165 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Lseg struct { + P [2]Vec2 + Status Status +} + +func (dst *Lseg) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to Lseg", src) +} + +func (dst Lseg) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Lseg) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Lseg) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Lseg{Status: Null} + return nil + } + + if len(src) < 11 { + return fmt.Errorf("invalid length for Lseg: %v", len(src)) + } + + str := string(src[2:]) + + var end int + end = strings.IndexByte(str, ',') + + x1, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1:] + end = strings.IndexByte(str, ')') + + y1, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+3:] + end = strings.IndexByte(str, ',') + + x2, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1 : len(str)-2] + + y2, err := strconv.ParseFloat(str, 64) + if err != nil { + return err + } + + *dst = Lseg{P: [2]Vec2{{x1, y1}, {x2, y2}}, Status: Present} + return nil +} + +func (dst *Lseg) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Lseg{Status: Null} + return nil + } + + if len(src) != 32 { + return fmt.Errorf("invalid length for Lseg: %v", len(src)) + } + + x1 := binary.BigEndian.Uint64(src) + y1 := binary.BigEndian.Uint64(src[8:]) + x2 := binary.BigEndian.Uint64(src[16:]) + y2 := binary.BigEndian.Uint64(src[24:]) + + *dst = Lseg{ + P: [2]Vec2{ + {math.Float64frombits(x1), math.Float64frombits(y1)}, + {math.Float64frombits(x2), math.Float64frombits(y2)}, + }, + Status: Present, + } + return nil +} + +func (src Lseg) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, fmt.Sprintf(`[(%s,%s),(%s,%s)]`, + strconv.FormatFloat(src.P[0].X, 'f', -1, 64), + strconv.FormatFloat(src.P[0].Y, 'f', -1, 64), + strconv.FormatFloat(src.P[1].X, 'f', -1, 64), + strconv.FormatFloat(src.P[1].Y, 'f', -1, 64), + )...) + + return buf, nil +} + +func (src Lseg) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[0].X)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[0].Y)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[1].X)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P[1].Y)) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Lseg) Scan(src interface{}) error { + if src == nil { + *dst = Lseg{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Lseg) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/ltree.go b/vendor/github.com/jackc/pgtype/ltree.go new file mode 100644 index 000000000..8c8d42133 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/ltree.go @@ -0,0 +1,72 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" +) + +type Ltree Text + +func (dst *Ltree) Set(src interface{}) error { + return (*Text)(dst).Set(src) +} + +func (dst Ltree) Get() interface{} { + return (Text)(dst).Get() +} + +func (src *Ltree) AssignTo(dst interface{}) error { + return (*Text)(src).AssignTo(dst) +} + +func (src Ltree) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeText(ci, buf) +} + +func (src Ltree) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + buf = append(buf, 1) + return append(buf, src.String...), nil +} + +func (Ltree) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *Ltree) DecodeText(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeText(ci, src) +} + +func (dst *Ltree) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Ltree{Status: Null} + return nil + } + + // Get Ltree version, only 1 is allowed + version := src[0] + if version != 1 { + return fmt.Errorf("unsupported ltree version %d", version) + } + + ltreeStr := string(src[1:]) + *dst = Ltree{String: ltreeStr, Status: Present} + return nil +} + +func (Ltree) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (dst *Ltree) Scan(src interface{}) error { + return (*Text)(dst).Scan(src) +} + +func (src Ltree) Value() (driver.Value, error) { + return (Text)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/macaddr.go b/vendor/github.com/jackc/pgtype/macaddr.go new file mode 100644 index 000000000..1d3cfe7b1 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/macaddr.go @@ -0,0 +1,173 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + "net" +) + +type Macaddr struct { + Addr net.HardwareAddr + Status Status +} + +func (dst *Macaddr) Set(src interface{}) error { + if src == nil { + *dst = Macaddr{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case net.HardwareAddr: + addr := make(net.HardwareAddr, len(value)) + copy(addr, value) + *dst = Macaddr{Addr: addr, Status: Present} + case string: + addr, err := net.ParseMAC(value) + if err != nil { + return err + } + *dst = Macaddr{Addr: addr, Status: Present} + case *net.HardwareAddr: + if value == nil { + *dst = Macaddr{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Macaddr{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingPtrType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Macaddr", value) + } + + return nil +} + +func (dst Macaddr) Get() interface{} { + switch dst.Status { + case Present: + return dst.Addr + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Macaddr) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *net.HardwareAddr: + *v = make(net.HardwareAddr, len(src.Addr)) + copy(*v, src.Addr) + return nil + case *string: + *v = src.Addr.String() + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Macaddr) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Macaddr{Status: Null} + return nil + } + + addr, err := net.ParseMAC(string(src)) + if err != nil { + return err + } + + *dst = Macaddr{Addr: addr, Status: Present} + return nil +} + +func (dst *Macaddr) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Macaddr{Status: Null} + return nil + } + + if len(src) != 6 { + return fmt.Errorf("Received an invalid size for a macaddr: %d", len(src)) + } + + addr := make(net.HardwareAddr, 6) + copy(addr, src) + + *dst = Macaddr{Addr: addr, Status: Present} + + return nil +} + +func (src Macaddr) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.Addr.String()...), nil +} + +// EncodeBinary encodes src into w. +func (src Macaddr) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.Addr...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Macaddr) Scan(src interface{}) error { + if src == nil { + *dst = Macaddr{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Macaddr) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/macaddr_array.go b/vendor/github.com/jackc/pgtype/macaddr_array.go new file mode 100644 index 000000000..bdb1f2034 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/macaddr_array.go @@ -0,0 +1,518 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "net" + "reflect" + + "github.com/jackc/pgio" +) + +type MacaddrArray struct { + Elements []Macaddr + Dimensions []ArrayDimension + Status Status +} + +func (dst *MacaddrArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = MacaddrArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []net.HardwareAddr: + if value == nil { + *dst = MacaddrArray{Status: Null} + } else if len(value) == 0 { + *dst = MacaddrArray{Status: Present} + } else { + elements := make([]Macaddr, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = MacaddrArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*net.HardwareAddr: + if value == nil { + *dst = MacaddrArray{Status: Null} + } else if len(value) == 0 { + *dst = MacaddrArray{Status: Present} + } else { + elements := make([]Macaddr, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = MacaddrArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Macaddr: + if value == nil { + *dst = MacaddrArray{Status: Null} + } else if len(value) == 0 { + *dst = MacaddrArray{Status: Present} + } else { + *dst = MacaddrArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = MacaddrArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for MacaddrArray", src) + } + if elementsLength == 0 { + *dst = MacaddrArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to MacaddrArray", src) + } + + *dst = MacaddrArray{ + Elements: make([]Macaddr, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Macaddr, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to MacaddrArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *MacaddrArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to MacaddrArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in MacaddrArray", err) + } + index++ + + return index, nil +} + +func (dst MacaddrArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *MacaddrArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]net.HardwareAddr: + *v = make([]net.HardwareAddr, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*net.HardwareAddr: + *v = make([]*net.HardwareAddr, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *MacaddrArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from MacaddrArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from MacaddrArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *MacaddrArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = MacaddrArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Macaddr + + if len(uta.Elements) > 0 { + elements = make([]Macaddr, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Macaddr + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = MacaddrArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *MacaddrArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = MacaddrArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = MacaddrArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Macaddr, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = MacaddrArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src MacaddrArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src MacaddrArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("macaddr"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "macaddr") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *MacaddrArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src MacaddrArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/multirange.go b/vendor/github.com/jackc/pgtype/multirange.go new file mode 100644 index 000000000..beb11f702 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/multirange.go @@ -0,0 +1,83 @@ +package pgtype + +import ( + "bytes" + "fmt" +) + +type UntypedTextMultirange struct { + Elements []string +} + +func ParseUntypedTextMultirange(src string) (*UntypedTextMultirange, error) { + utmr := &UntypedTextMultirange{} + utmr.Elements = make([]string, 0) + + buf := bytes.NewBufferString(src) + + skipWhitespace(buf) + + r, _, err := buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid array: %v", err) + } + + if r != '{' { + return nil, fmt.Errorf("invalid multirange, expected '{': %v", err) + } + +parseValueLoop: + for { + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid multirange: %v", err) + } + + switch r { + case ',': // skip range separator + case '}': + break parseValueLoop + default: + buf.UnreadRune() + value, err := parseRange(buf) + if err != nil { + return nil, fmt.Errorf("invalid multirange value: %v", err) + } + utmr.Elements = append(utmr.Elements, value) + } + } + + skipWhitespace(buf) + + if buf.Len() > 0 { + return nil, fmt.Errorf("unexpected trailing data: %v", buf.String()) + } + + return utmr, nil + +} + +func parseRange(buf *bytes.Buffer) (string, error) { + + s := &bytes.Buffer{} + + boundSepRead := false + for { + r, _, err := buf.ReadRune() + if err != nil { + return "", err + } + + switch r { + case ',', '}': + if r == ',' && !boundSepRead { + boundSepRead = true + break + } + buf.UnreadRune() + return s.String(), nil + } + + s.WriteRune(r) + } +} diff --git a/vendor/github.com/jackc/pgtype/name.go b/vendor/github.com/jackc/pgtype/name.go new file mode 100644 index 000000000..7ce8d25e9 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/name.go @@ -0,0 +1,58 @@ +package pgtype + +import ( + "database/sql/driver" +) + +// Name is a type used for PostgreSQL's special 63-byte +// name data type, used for identifiers like table names. +// The pg_class.relname column is a good example of where the +// name data type is used. +// +// Note that the underlying Go data type of pgx.Name is string, +// so there is no way to enforce the 63-byte length. Inputting +// a longer name into PostgreSQL will result in silent truncation +// to 63 bytes. +// +// Also, if you have custom-compiled PostgreSQL and set +// NAMEDATALEN to a different value, obviously that number of +// bytes applies, rather than the default 63. +type Name Text + +func (dst *Name) Set(src interface{}) error { + return (*Text)(dst).Set(src) +} + +func (dst Name) Get() interface{} { + return (Text)(dst).Get() +} + +func (src *Name) AssignTo(dst interface{}) error { + return (*Text)(src).AssignTo(dst) +} + +func (dst *Name) DecodeText(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeText(ci, src) +} + +func (dst *Name) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeBinary(ci, src) +} + +func (src Name) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeText(ci, buf) +} + +func (src Name) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *Name) Scan(src interface{}) error { + return (*Text)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Name) Value() (driver.Value, error) { + return (Text)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/num_multirange.go b/vendor/github.com/jackc/pgtype/num_multirange.go new file mode 100644 index 000000000..cbabc8acb --- /dev/null +++ b/vendor/github.com/jackc/pgtype/num_multirange.go @@ -0,0 +1,239 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + + "github.com/jackc/pgio" +) + +type Nummultirange struct { + Ranges []Numrange + Status Status +} + +func (dst *Nummultirange) Set(src interface{}) error { + //untyped nil and typed nil interfaces are different + if src == nil { + *dst = Nummultirange{Status: Null} + return nil + } + + switch value := src.(type) { + case Nummultirange: + *dst = value + case *Nummultirange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + case []Numrange: + if value == nil { + *dst = Nummultirange{Status: Null} + } else if len(value) == 0 { + *dst = Nummultirange{Status: Present} + } else { + elements := make([]Numrange, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Nummultirange{ + Ranges: elements, + Status: Present, + } + } + case []*Numrange: + if value == nil { + *dst = Nummultirange{Status: Null} + } else if len(value) == 0 { + *dst = Nummultirange{Status: Present} + } else { + elements := make([]Numrange, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = Nummultirange{ + Ranges: elements, + Status: Present, + } + } + default: + return fmt.Errorf("cannot convert %v to Nummultirange", src) + } + + return nil + +} + +func (dst Nummultirange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Nummultirange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Nummultirange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Nummultirange{Status: Null} + return nil + } + + utmr, err := ParseUntypedTextMultirange(string(src)) + if err != nil { + return err + } + + var elements []Numrange + + if len(utmr.Elements) > 0 { + elements = make([]Numrange, len(utmr.Elements)) + + for i, s := range utmr.Elements { + var elem Numrange + + elemSrc := []byte(s) + + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = Nummultirange{Ranges: elements, Status: Present} + + return nil +} + +func (dst *Nummultirange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Nummultirange{Status: Null} + return nil + } + + rp := 0 + + numElems := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + if numElems == 0 { + *dst = Nummultirange{Status: Present} + return nil + } + + elements := make([]Numrange, numElems) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err := elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = Nummultirange{Ranges: elements, Status: Present} + return nil +} + +func (src Nummultirange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, '{') + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Ranges { + if i > 0 { + buf = append(buf, ',') + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + return nil, fmt.Errorf("multi-range does not allow null range") + } else { + buf = append(buf, string(elemBuf)...) + } + + } + + buf = append(buf, '}') + + return buf, nil +} + +func (src Nummultirange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, int32(len(src.Ranges))) + + for i := range src.Ranges { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Ranges[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Nummultirange) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Nummultirange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/numeric.go b/vendor/github.com/jackc/pgtype/numeric.go new file mode 100644 index 000000000..c65454293 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/numeric.go @@ -0,0 +1,863 @@ +package pgtype + +import ( + "bytes" + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "math/big" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +// PostgreSQL internal numeric storage uses 16-bit "digits" with base of 10,000 +const nbase = 10000 + +const ( + pgNumericNaN = 0x00000000c0000000 + pgNumericNaNSign = 0xc000 + + pgNumericPosInf = 0x00000000d0000000 + pgNumericPosInfSign = 0xd000 + + pgNumericNegInf = 0x00000000f0000000 + pgNumericNegInfSign = 0xf000 +) + +var big0 *big.Int = big.NewInt(0) +var big1 *big.Int = big.NewInt(1) +var big10 *big.Int = big.NewInt(10) +var big100 *big.Int = big.NewInt(100) +var big1000 *big.Int = big.NewInt(1000) + +var bigMaxInt8 *big.Int = big.NewInt(math.MaxInt8) +var bigMinInt8 *big.Int = big.NewInt(math.MinInt8) +var bigMaxInt16 *big.Int = big.NewInt(math.MaxInt16) +var bigMinInt16 *big.Int = big.NewInt(math.MinInt16) +var bigMaxInt32 *big.Int = big.NewInt(math.MaxInt32) +var bigMinInt32 *big.Int = big.NewInt(math.MinInt32) +var bigMaxInt64 *big.Int = big.NewInt(math.MaxInt64) +var bigMinInt64 *big.Int = big.NewInt(math.MinInt64) +var bigMaxInt *big.Int = big.NewInt(int64(maxInt)) +var bigMinInt *big.Int = big.NewInt(int64(minInt)) + +var bigMaxUint8 *big.Int = big.NewInt(math.MaxUint8) +var bigMaxUint16 *big.Int = big.NewInt(math.MaxUint16) +var bigMaxUint32 *big.Int = big.NewInt(math.MaxUint32) +var bigMaxUint64 *big.Int = (&big.Int{}).SetUint64(uint64(math.MaxUint64)) +var bigMaxUint *big.Int = (&big.Int{}).SetUint64(uint64(maxUint)) + +var bigNBase *big.Int = big.NewInt(nbase) +var bigNBaseX2 *big.Int = big.NewInt(nbase * nbase) +var bigNBaseX3 *big.Int = big.NewInt(nbase * nbase * nbase) +var bigNBaseX4 *big.Int = big.NewInt(nbase * nbase * nbase * nbase) + +type Numeric struct { + Int *big.Int + Exp int32 + Status Status + NaN bool + InfinityModifier InfinityModifier +} + +func (dst *Numeric) Set(src interface{}) error { + if src == nil { + *dst = Numeric{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case float32: + if math.IsNaN(float64(value)) { + *dst = Numeric{Status: Present, NaN: true} + return nil + } else if math.IsInf(float64(value), 1) { + *dst = Numeric{Status: Present, InfinityModifier: Infinity} + return nil + } else if math.IsInf(float64(value), -1) { + *dst = Numeric{Status: Present, InfinityModifier: NegativeInfinity} + return nil + } + num, exp, err := parseNumericString(strconv.FormatFloat(float64(value), 'f', -1, 64)) + if err != nil { + return err + } + *dst = Numeric{Int: num, Exp: exp, Status: Present} + case float64: + if math.IsNaN(value) { + *dst = Numeric{Status: Present, NaN: true} + return nil + } else if math.IsInf(value, 1) { + *dst = Numeric{Status: Present, InfinityModifier: Infinity} + return nil + } else if math.IsInf(value, -1) { + *dst = Numeric{Status: Present, InfinityModifier: NegativeInfinity} + return nil + } + num, exp, err := parseNumericString(strconv.FormatFloat(value, 'f', -1, 64)) + if err != nil { + return err + } + *dst = Numeric{Int: num, Exp: exp, Status: Present} + case int8: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case uint8: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case int16: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case uint16: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case int32: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case uint32: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case int64: + *dst = Numeric{Int: big.NewInt(value), Status: Present} + case uint64: + *dst = Numeric{Int: (&big.Int{}).SetUint64(value), Status: Present} + case int: + *dst = Numeric{Int: big.NewInt(int64(value)), Status: Present} + case uint: + *dst = Numeric{Int: (&big.Int{}).SetUint64(uint64(value)), Status: Present} + case string: + num, exp, err := parseNumericString(value) + if err != nil { + return err + } + *dst = Numeric{Int: num, Exp: exp, Status: Present} + case *float64: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *float32: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *int8: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *uint8: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *int16: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *uint16: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *int32: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *uint32: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *int64: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *uint64: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *int: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *uint: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case *string: + if value == nil { + *dst = Numeric{Status: Null} + } else { + return dst.Set(*value) + } + case InfinityModifier: + *dst = Numeric{InfinityModifier: value, Status: Present} + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Numeric", value) + } + + return nil +} + +func (dst Numeric) Get() interface{} { + switch dst.Status { + case Present: + if dst.InfinityModifier != None { + return dst.InfinityModifier + } + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Numeric) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *float32: + f, err := src.toFloat64() + if err != nil { + return err + } + return float64AssignTo(f, src.Status, dst) + case *float64: + f, err := src.toFloat64() + if err != nil { + return err + } + return float64AssignTo(f, src.Status, dst) + case *int: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(bigMaxInt) > 0 { + return fmt.Errorf("%v is greater than maximum value for %T", normalizedInt, *v) + } + if normalizedInt.Cmp(bigMinInt) < 0 { + return fmt.Errorf("%v is less than minimum value for %T", normalizedInt, *v) + } + *v = int(normalizedInt.Int64()) + case *int8: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(bigMaxInt8) > 0 { + return fmt.Errorf("%v is greater than maximum value for %T", normalizedInt, *v) + } + if normalizedInt.Cmp(bigMinInt8) < 0 { + return fmt.Errorf("%v is less than minimum value for %T", normalizedInt, *v) + } + *v = int8(normalizedInt.Int64()) + case *int16: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(bigMaxInt16) > 0 { + return fmt.Errorf("%v is greater than maximum value for %T", normalizedInt, *v) + } + if normalizedInt.Cmp(bigMinInt16) < 0 { + return fmt.Errorf("%v is less than minimum value for %T", normalizedInt, *v) + } + *v = int16(normalizedInt.Int64()) + case *int32: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(bigMaxInt32) > 0 { + return fmt.Errorf("%v is greater than maximum value for %T", normalizedInt, *v) + } + if normalizedInt.Cmp(bigMinInt32) < 0 { + return fmt.Errorf("%v is less than minimum value for %T", normalizedInt, *v) + } + *v = int32(normalizedInt.Int64()) + case *int64: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(bigMaxInt64) > 0 { + return fmt.Errorf("%v is greater than maximum value for %T", normalizedInt, *v) + } + if normalizedInt.Cmp(bigMinInt64) < 0 { + return fmt.Errorf("%v is less than minimum value for %T", normalizedInt, *v) + } + *v = normalizedInt.Int64() + case *uint: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(big0) < 0 { + return fmt.Errorf("%d is less than zero for %T", normalizedInt, *v) + } else if normalizedInt.Cmp(bigMaxUint) > 0 { + return fmt.Errorf("%d is greater than maximum value for %T", normalizedInt, *v) + } + *v = uint(normalizedInt.Uint64()) + case *uint8: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(big0) < 0 { + return fmt.Errorf("%d is less than zero for %T", normalizedInt, *v) + } else if normalizedInt.Cmp(bigMaxUint8) > 0 { + return fmt.Errorf("%d is greater than maximum value for %T", normalizedInt, *v) + } + *v = uint8(normalizedInt.Uint64()) + case *uint16: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(big0) < 0 { + return fmt.Errorf("%d is less than zero for %T", normalizedInt, *v) + } else if normalizedInt.Cmp(bigMaxUint16) > 0 { + return fmt.Errorf("%d is greater than maximum value for %T", normalizedInt, *v) + } + *v = uint16(normalizedInt.Uint64()) + case *uint32: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(big0) < 0 { + return fmt.Errorf("%d is less than zero for %T", normalizedInt, *v) + } else if normalizedInt.Cmp(bigMaxUint32) > 0 { + return fmt.Errorf("%d is greater than maximum value for %T", normalizedInt, *v) + } + *v = uint32(normalizedInt.Uint64()) + case *uint64: + normalizedInt, err := src.toBigInt() + if err != nil { + return err + } + if normalizedInt.Cmp(big0) < 0 { + return fmt.Errorf("%d is less than zero for %T", normalizedInt, *v) + } else if normalizedInt.Cmp(bigMaxUint64) > 0 { + return fmt.Errorf("%d is greater than maximum value for %T", normalizedInt, *v) + } + *v = normalizedInt.Uint64() + case *big.Rat: + rat, err := src.toBigRat() + if err != nil { + return err + } + v.Set(rat) + case *string: + buf, err := encodeNumericText(*src, nil) + if err != nil { + return err + } + *v = string(buf) + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return nil +} + +func (dst *Numeric) toBigInt() (*big.Int, error) { + if dst.Exp == 0 { + return dst.Int, nil + } + + num := &big.Int{} + num.Set(dst.Int) + if dst.Exp > 0 { + mul := &big.Int{} + mul.Exp(big10, big.NewInt(int64(dst.Exp)), nil) + num.Mul(num, mul) + return num, nil + } + + div := &big.Int{} + div.Exp(big10, big.NewInt(int64(-dst.Exp)), nil) + remainder := &big.Int{} + num.DivMod(num, div, remainder) + if remainder.Cmp(big0) != 0 { + return nil, fmt.Errorf("cannot convert %v to integer", dst) + } + return num, nil +} + +func (dst *Numeric) toBigRat() (*big.Rat, error) { + if dst.NaN { + return nil, fmt.Errorf("%v is not a number", dst) + } else if dst.InfinityModifier == Infinity { + return nil, fmt.Errorf("%v is infinity", dst) + } else if dst.InfinityModifier == NegativeInfinity { + return nil, fmt.Errorf("%v is -infinity", dst) + } + + num := new(big.Rat).SetInt(dst.Int) + if dst.Exp > 0 { + mul := new(big.Int).Exp(big10, big.NewInt(int64(dst.Exp)), nil) + num.Mul(num, new(big.Rat).SetInt(mul)) + } else if dst.Exp < 0 { + mul := new(big.Int).Exp(big10, big.NewInt(int64(-dst.Exp)), nil) + num.Quo(num, new(big.Rat).SetInt(mul)) + } + return num, nil +} + +func (src *Numeric) toFloat64() (float64, error) { + if src.NaN { + return math.NaN(), nil + } else if src.InfinityModifier == Infinity { + return math.Inf(1), nil + } else if src.InfinityModifier == NegativeInfinity { + return math.Inf(-1), nil + } + + if src.Exp == 0 { + return float64(src.Int.Int64()), nil + } + + buf := make([]byte, 0, 32) + + buf = src.Int.Append(buf, 10) + buf = append(buf, 'e') + buf = strconv.AppendInt(buf, int64(src.Exp), 10) + + f, err := strconv.ParseFloat(string(buf), 64) + if err != nil { + return 0, err + } + return f, nil +} + +func (dst *Numeric) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Numeric{Status: Null} + return nil + } + + if string(src) == "NaN" { + *dst = Numeric{Status: Present, NaN: true} + return nil + } else if string(src) == "Infinity" { + *dst = Numeric{Status: Present, InfinityModifier: Infinity} + return nil + } else if string(src) == "-Infinity" { + *dst = Numeric{Status: Present, InfinityModifier: NegativeInfinity} + return nil + } + + num, exp, err := parseNumericString(string(src)) + if err != nil { + return err + } + + *dst = Numeric{Int: num, Exp: exp, Status: Present} + return nil +} + +func parseNumericString(str string) (n *big.Int, exp int32, err error) { + idx := strings.IndexByte(str, '.') + + if idx == -1 { + for len(str) > 1 && str[len(str)-1] == '0' && str[len(str)-2] != '-' { + str = str[:len(str)-1] + exp++ + } + } else { + exp = int32(-(len(str) - idx - 1)) + str = str[:idx] + str[idx+1:] + } + + accum := &big.Int{} + if _, ok := accum.SetString(str, 10); !ok { + return nil, 0, fmt.Errorf("%s is not a number", str) + } + + return accum, exp, nil +} + +func (dst *Numeric) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Numeric{Status: Null} + return nil + } + + if len(src) < 8 { + return fmt.Errorf("numeric incomplete %v", src) + } + + rp := 0 + ndigits := binary.BigEndian.Uint16(src[rp:]) + rp += 2 + weight := int16(binary.BigEndian.Uint16(src[rp:])) + rp += 2 + sign := binary.BigEndian.Uint16(src[rp:]) + rp += 2 + dscale := int16(binary.BigEndian.Uint16(src[rp:])) + rp += 2 + + if sign == pgNumericNaNSign { + *dst = Numeric{Status: Present, NaN: true} + return nil + } else if sign == pgNumericPosInfSign { + *dst = Numeric{Status: Present, InfinityModifier: Infinity} + return nil + } else if sign == pgNumericNegInfSign { + *dst = Numeric{Status: Present, InfinityModifier: NegativeInfinity} + return nil + } + + if ndigits == 0 { + *dst = Numeric{Int: big.NewInt(0), Status: Present} + return nil + } + + if len(src[rp:]) < int(ndigits)*2 { + return fmt.Errorf("numeric incomplete %v", src) + } + + accum := &big.Int{} + + for i := 0; i < int(ndigits+3)/4; i++ { + int64accum, bytesRead, digitsRead := nbaseDigitsToInt64(src[rp:]) + rp += bytesRead + + if i > 0 { + var mul *big.Int + switch digitsRead { + case 1: + mul = bigNBase + case 2: + mul = bigNBaseX2 + case 3: + mul = bigNBaseX3 + case 4: + mul = bigNBaseX4 + default: + return fmt.Errorf("invalid digitsRead: %d (this can't happen)", digitsRead) + } + accum.Mul(accum, mul) + } + + accum.Add(accum, big.NewInt(int64accum)) + } + + exp := (int32(weight) - int32(ndigits) + 1) * 4 + + if dscale > 0 { + fracNBaseDigits := int16(int32(ndigits) - int32(weight) - 1) + fracDecimalDigits := fracNBaseDigits * 4 + + if dscale > fracDecimalDigits { + multCount := int(dscale - fracDecimalDigits) + for i := 0; i < multCount; i++ { + accum.Mul(accum, big10) + exp-- + } + } else if dscale < fracDecimalDigits { + divCount := int(fracDecimalDigits - dscale) + for i := 0; i < divCount; i++ { + accum.Div(accum, big10) + exp++ + } + } + } + + reduced := &big.Int{} + remainder := &big.Int{} + if exp >= 0 { + for { + reduced.DivMod(accum, big10, remainder) + if remainder.Cmp(big0) != 0 { + break + } + accum.Set(reduced) + exp++ + } + } + + if sign != 0 { + accum.Neg(accum) + } + + *dst = Numeric{Int: accum, Exp: exp, Status: Present} + + return nil + +} + +func nbaseDigitsToInt64(src []byte) (accum int64, bytesRead, digitsRead int) { + digits := len(src) / 2 + if digits > 4 { + digits = 4 + } + + rp := 0 + + for i := 0; i < digits; i++ { + if i > 0 { + accum *= nbase + } + accum += int64(binary.BigEndian.Uint16(src[rp:])) + rp += 2 + } + + return accum, rp, digits +} + +func (src Numeric) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if src.NaN { + buf = append(buf, "NaN"...) + return buf, nil + } else if src.InfinityModifier == Infinity { + buf = append(buf, "Infinity"...) + return buf, nil + } else if src.InfinityModifier == NegativeInfinity { + buf = append(buf, "-Infinity"...) + return buf, nil + } + + buf = append(buf, src.Int.String()...) + buf = append(buf, 'e') + buf = append(buf, strconv.FormatInt(int64(src.Exp), 10)...) + return buf, nil +} + +func (src Numeric) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if src.NaN { + buf = pgio.AppendUint64(buf, pgNumericNaN) + return buf, nil + } else if src.InfinityModifier == Infinity { + buf = pgio.AppendUint64(buf, pgNumericPosInf) + return buf, nil + } else if src.InfinityModifier == NegativeInfinity { + buf = pgio.AppendUint64(buf, pgNumericNegInf) + return buf, nil + } + + var sign int16 + if src.Int.Cmp(big0) < 0 { + sign = 16384 + } + + absInt := &big.Int{} + wholePart := &big.Int{} + fracPart := &big.Int{} + remainder := &big.Int{} + absInt.Abs(src.Int) + + // Normalize absInt and exp to where exp is always a multiple of 4. This makes + // converting to 16-bit base 10,000 digits easier. + var exp int32 + switch src.Exp % 4 { + case 1, -3: + exp = src.Exp - 1 + absInt.Mul(absInt, big10) + case 2, -2: + exp = src.Exp - 2 + absInt.Mul(absInt, big100) + case 3, -1: + exp = src.Exp - 3 + absInt.Mul(absInt, big1000) + default: + exp = src.Exp + } + + if exp < 0 { + divisor := &big.Int{} + divisor.Exp(big10, big.NewInt(int64(-exp)), nil) + wholePart.DivMod(absInt, divisor, fracPart) + fracPart.Add(fracPart, divisor) + } else { + wholePart = absInt + } + + var wholeDigits, fracDigits []int16 + + for wholePart.Cmp(big0) != 0 { + wholePart.DivMod(wholePart, bigNBase, remainder) + wholeDigits = append(wholeDigits, int16(remainder.Int64())) + } + + if fracPart.Cmp(big0) != 0 { + for fracPart.Cmp(big1) != 0 { + fracPart.DivMod(fracPart, bigNBase, remainder) + fracDigits = append(fracDigits, int16(remainder.Int64())) + } + } + + buf = pgio.AppendInt16(buf, int16(len(wholeDigits)+len(fracDigits))) + + var weight int16 + if len(wholeDigits) > 0 { + weight = int16(len(wholeDigits) - 1) + if exp > 0 { + weight += int16(exp / 4) + } + } else { + weight = int16(exp/4) - 1 + int16(len(fracDigits)) + } + buf = pgio.AppendInt16(buf, weight) + + buf = pgio.AppendInt16(buf, sign) + + var dscale int16 + if src.Exp < 0 { + dscale = int16(-src.Exp) + } + buf = pgio.AppendInt16(buf, dscale) + + for i := len(wholeDigits) - 1; i >= 0; i-- { + buf = pgio.AppendInt16(buf, wholeDigits[i]) + } + + for i := len(fracDigits) - 1; i >= 0; i-- { + buf = pgio.AppendInt16(buf, fracDigits[i]) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Numeric) Scan(src interface{}) error { + if src == nil { + *dst = Numeric{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Numeric) Value() (driver.Value, error) { + switch src.Status { + case Present: + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + + return string(buf), nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func encodeNumericText(n Numeric, buf []byte) (newBuf []byte, err error) { + // if !n.Valid { + // return nil, nil + // } + + if n.NaN { + buf = append(buf, "NaN"...) + return buf, nil + } else if n.InfinityModifier == Infinity { + buf = append(buf, "Infinity"...) + return buf, nil + } else if n.InfinityModifier == NegativeInfinity { + buf = append(buf, "-Infinity"...) + return buf, nil + } + + buf = append(buf, n.numberTextBytes()...) + + return buf, nil +} + +// numberString returns a string of the number. undefined if NaN, infinite, or NULL +func (n Numeric) numberTextBytes() []byte { + intStr := n.Int.String() + buf := &bytes.Buffer{} + + if len(intStr) > 0 && intStr[:1] == "-" { + intStr = intStr[1:] + buf.WriteByte('-') + } + + exp := int(n.Exp) + if exp > 0 { + buf.WriteString(intStr) + for i := 0; i < exp; i++ { + buf.WriteByte('0') + } + } else if exp < 0 { + if len(intStr) <= -exp { + buf.WriteString("0.") + leadingZeros := -exp - len(intStr) + for i := 0; i < leadingZeros; i++ { + buf.WriteByte('0') + } + buf.WriteString(intStr) + } else if len(intStr) > -exp { + dpPos := len(intStr) + exp + buf.WriteString(intStr[:dpPos]) + buf.WriteByte('.') + buf.WriteString(intStr[dpPos:]) + } + } else { + buf.WriteString(intStr) + } + + return buf.Bytes() +} diff --git a/vendor/github.com/jackc/pgtype/numeric_array.go b/vendor/github.com/jackc/pgtype/numeric_array.go new file mode 100644 index 000000000..31899dec9 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/numeric_array.go @@ -0,0 +1,685 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type NumericArray struct { + Elements []Numeric + Dimensions []ArrayDimension + Status Status +} + +func (dst *NumericArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = NumericArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []float32: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*float32: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []float64: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*float64: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []int64: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*int64: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []uint64: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*uint64: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + elements := make([]Numeric, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = NumericArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Numeric: + if value == nil { + *dst = NumericArray{Status: Null} + } else if len(value) == 0 { + *dst = NumericArray{Status: Present} + } else { + *dst = NumericArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = NumericArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for NumericArray", src) + } + if elementsLength == 0 { + *dst = NumericArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to NumericArray", src) + } + + *dst = NumericArray{ + Elements: make([]Numeric, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Numeric, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to NumericArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *NumericArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to NumericArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in NumericArray", err) + } + index++ + + return index, nil +} + +func (dst NumericArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *NumericArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]float32: + *v = make([]float32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*float32: + *v = make([]*float32, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]float64: + *v = make([]float64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*float64: + *v = make([]*float64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]int64: + *v = make([]int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*int64: + *v = make([]*int64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]uint64: + *v = make([]uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*uint64: + *v = make([]*uint64, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *NumericArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from NumericArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from NumericArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *NumericArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = NumericArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Numeric + + if len(uta.Elements) > 0 { + elements = make([]Numeric, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Numeric + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = NumericArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *NumericArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = NumericArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = NumericArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Numeric, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = NumericArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src NumericArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src NumericArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("numeric"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "numeric") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *NumericArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src NumericArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/numrange.go b/vendor/github.com/jackc/pgtype/numrange.go new file mode 100644 index 000000000..3d5951a24 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/numrange.go @@ -0,0 +1,267 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + + "github.com/jackc/pgio" +) + +type Numrange struct { + Lower Numeric + Upper Numeric + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *Numrange) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Numrange{Status: Null} + return nil + } + + switch value := src.(type) { + case Numrange: + *dst = value + case *Numrange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to Numrange", src) + } + + return nil +} + +func (dst Numrange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Numrange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Numrange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Numrange{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = Numrange{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *Numrange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Numrange{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = Numrange{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src Numrange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src Numrange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Numrange) Scan(src interface{}) error { + if src == nil { + *dst = Numrange{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Numrange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/oid.go b/vendor/github.com/jackc/pgtype/oid.go new file mode 100644 index 000000000..31677e894 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/oid.go @@ -0,0 +1,81 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "strconv" + + "github.com/jackc/pgio" +) + +// OID (Object Identifier Type) is, according to +// https://www.postgresql.org/docs/current/static/datatype-oid.html, used +// internally by PostgreSQL as a primary key for various system tables. It is +// currently implemented as an unsigned four-byte integer. Its definition can be +// found in src/include/postgres_ext.h in the PostgreSQL sources. Because it is +// so frequently required to be in a NOT NULL condition OID cannot be NULL. To +// allow for NULL OIDs use OIDValue. +type OID uint32 + +func (dst *OID) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + return fmt.Errorf("cannot decode nil into OID") + } + + n, err := strconv.ParseUint(string(src), 10, 32) + if err != nil { + return err + } + + *dst = OID(n) + return nil +} + +func (dst *OID) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + return fmt.Errorf("cannot decode nil into OID") + } + + if len(src) != 4 { + return fmt.Errorf("invalid length: %v", len(src)) + } + + n := binary.BigEndian.Uint32(src) + *dst = OID(n) + return nil +} + +func (src OID) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return append(buf, strconv.FormatUint(uint64(src), 10)...), nil +} + +func (src OID) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return pgio.AppendUint32(buf, uint32(src)), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *OID) Scan(src interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan NULL into %T", src) + } + + switch src := src.(type) { + case int64: + *dst = OID(src) + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src OID) Value() (driver.Value, error) { + return int64(src), nil +} diff --git a/vendor/github.com/jackc/pgtype/oid_value.go b/vendor/github.com/jackc/pgtype/oid_value.go new file mode 100644 index 000000000..5dc9136cb --- /dev/null +++ b/vendor/github.com/jackc/pgtype/oid_value.go @@ -0,0 +1,55 @@ +package pgtype + +import ( + "database/sql/driver" +) + +// OIDValue (Object Identifier Type) is, according to +// https://www.postgresql.org/docs/current/static/datatype-OIDValue.html, used +// internally by PostgreSQL as a primary key for various system tables. It is +// currently implemented as an unsigned four-byte integer. Its definition can be +// found in src/include/postgres_ext.h in the PostgreSQL sources. +type OIDValue pguint32 + +// Set converts from src to dst. Note that as OIDValue is not a general +// number type Set does not do automatic type conversion as other number +// types do. +func (dst *OIDValue) Set(src interface{}) error { + return (*pguint32)(dst).Set(src) +} + +func (dst OIDValue) Get() interface{} { + return (pguint32)(dst).Get() +} + +// AssignTo assigns from src to dst. Note that as OIDValue is not a general number +// type AssignTo does not do automatic type conversion as other number types do. +func (src *OIDValue) AssignTo(dst interface{}) error { + return (*pguint32)(src).AssignTo(dst) +} + +func (dst *OIDValue) DecodeText(ci *ConnInfo, src []byte) error { + return (*pguint32)(dst).DecodeText(ci, src) +} + +func (dst *OIDValue) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*pguint32)(dst).DecodeBinary(ci, src) +} + +func (src OIDValue) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (pguint32)(src).EncodeText(ci, buf) +} + +func (src OIDValue) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (pguint32)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *OIDValue) Scan(src interface{}) error { + return (*pguint32)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src OIDValue) Value() (driver.Value, error) { + return (pguint32)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/path.go b/vendor/github.com/jackc/pgtype/path.go new file mode 100644 index 000000000..9f89969e0 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/path.go @@ -0,0 +1,195 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Path struct { + P []Vec2 + Closed bool + Status Status +} + +func (dst *Path) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to Path", src) +} + +func (dst Path) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Path) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Path) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Path{Status: Null} + return nil + } + + if len(src) < 7 { + return fmt.Errorf("invalid length for Path: %v", len(src)) + } + + closed := src[0] == '(' + points := make([]Vec2, 0) + + str := string(src[2:]) + + for { + end := strings.IndexByte(str, ',') + x, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1:] + end = strings.IndexByte(str, ')') + + y, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + points = append(points, Vec2{x, y}) + + if end+3 < len(str) { + str = str[end+3:] + } else { + break + } + } + + *dst = Path{P: points, Closed: closed, Status: Present} + return nil +} + +func (dst *Path) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Path{Status: Null} + return nil + } + + if len(src) < 5 { + return fmt.Errorf("invalid length for Path: %v", len(src)) + } + + closed := src[0] == 1 + pointCount := int(binary.BigEndian.Uint32(src[1:])) + + rp := 5 + + if 5+pointCount*16 != len(src) { + return fmt.Errorf("invalid length for Path with %d points: %v", pointCount, len(src)) + } + + points := make([]Vec2, pointCount) + for i := 0; i < len(points); i++ { + x := binary.BigEndian.Uint64(src[rp:]) + rp += 8 + y := binary.BigEndian.Uint64(src[rp:]) + rp += 8 + points[i] = Vec2{math.Float64frombits(x), math.Float64frombits(y)} + } + + *dst = Path{ + P: points, + Closed: closed, + Status: Present, + } + return nil +} + +func (src Path) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var startByte, endByte byte + if src.Closed { + startByte = '(' + endByte = ')' + } else { + startByte = '[' + endByte = ']' + } + buf = append(buf, startByte) + + for i, p := range src.P { + if i > 0 { + buf = append(buf, ',') + } + buf = append(buf, fmt.Sprintf(`(%s,%s)`, + strconv.FormatFloat(p.X, 'f', -1, 64), + strconv.FormatFloat(p.Y, 'f', -1, 64), + )...) + } + + return append(buf, endByte), nil +} + +func (src Path) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var closeByte byte + if src.Closed { + closeByte = 1 + } + buf = append(buf, closeByte) + + buf = pgio.AppendInt32(buf, int32(len(src.P))) + + for _, p := range src.P { + buf = pgio.AppendUint64(buf, math.Float64bits(p.X)) + buf = pgio.AppendUint64(buf, math.Float64bits(p.Y)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Path) Scan(src interface{}) error { + if src == nil { + *dst = Path{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Path) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/pgtype.go b/vendor/github.com/jackc/pgtype/pgtype.go new file mode 100644 index 000000000..a52740e79 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/pgtype.go @@ -0,0 +1,1001 @@ +package pgtype + +import ( + "database/sql" + "encoding/binary" + "errors" + "fmt" + "math" + "net" + "reflect" + "time" +) + +// PostgreSQL oids for common types +const ( + BoolOID = 16 + ByteaOID = 17 + QCharOID = 18 + NameOID = 19 + Int8OID = 20 + Int2OID = 21 + Int4OID = 23 + TextOID = 25 + OIDOID = 26 + TIDOID = 27 + XIDOID = 28 + CIDOID = 29 + JSONOID = 114 + JSONArrayOID = 199 + PointOID = 600 + LsegOID = 601 + PathOID = 602 + BoxOID = 603 + PolygonOID = 604 + LineOID = 628 + CIDROID = 650 + CIDRArrayOID = 651 + Float4OID = 700 + Float8OID = 701 + CircleOID = 718 + UnknownOID = 705 + MacaddrOID = 829 + InetOID = 869 + BoolArrayOID = 1000 + Int2ArrayOID = 1005 + Int4ArrayOID = 1007 + TextArrayOID = 1009 + ByteaArrayOID = 1001 + BPCharArrayOID = 1014 + VarcharArrayOID = 1015 + Int8ArrayOID = 1016 + Float4ArrayOID = 1021 + Float8ArrayOID = 1022 + ACLItemOID = 1033 + ACLItemArrayOID = 1034 + InetArrayOID = 1041 + BPCharOID = 1042 + VarcharOID = 1043 + DateOID = 1082 + TimeOID = 1083 + TimestampOID = 1114 + TimestampArrayOID = 1115 + DateArrayOID = 1182 + TimestamptzOID = 1184 + TimestamptzArrayOID = 1185 + IntervalOID = 1186 + NumericArrayOID = 1231 + BitOID = 1560 + VarbitOID = 1562 + NumericOID = 1700 + RecordOID = 2249 + UUIDOID = 2950 + UUIDArrayOID = 2951 + JSONBOID = 3802 + JSONBArrayOID = 3807 + DaterangeOID = 3912 + Int4rangeOID = 3904 + Int4multirangeOID = 4451 + NumrangeOID = 3906 + NummultirangeOID = 4532 + TsrangeOID = 3908 + TsrangeArrayOID = 3909 + TstzrangeOID = 3910 + TstzrangeArrayOID = 3911 + Int8rangeOID = 3926 + Int8multirangeOID = 4536 +) + +type Status byte + +const ( + Undefined Status = iota + Null + Present +) + +type InfinityModifier int8 + +const ( + Infinity InfinityModifier = 1 + None InfinityModifier = 0 + NegativeInfinity InfinityModifier = -Infinity +) + +func (im InfinityModifier) String() string { + switch im { + case None: + return "none" + case Infinity: + return "infinity" + case NegativeInfinity: + return "-infinity" + default: + return "invalid" + } +} + +// PostgreSQL format codes +const ( + TextFormatCode = 0 + BinaryFormatCode = 1 +) + +// Value translates values to and from an internal canonical representation for the type. To actually be usable a type +// that implements Value should also implement some combination of BinaryDecoder, BinaryEncoder, TextDecoder, +// and TextEncoder. +// +// Operations that update a Value (e.g. Set, DecodeText, DecodeBinary) should entirely replace the value. e.g. Internal +// slices should be replaced not resized and reused. This allows Get and AssignTo to return a slice directly rather +// than incur a usually unnecessary copy. +type Value interface { + // Set converts and assigns src to itself. Value takes ownership of src. + Set(src interface{}) error + + // Get returns the simplest representation of Value. Get may return a pointer to an internal value but it must never + // mutate that value. e.g. If Get returns a []byte Value must never change the contents of the []byte. + Get() interface{} + + // AssignTo converts and assigns the Value to dst. AssignTo may a pointer to an internal value but it must never + // mutate that value. e.g. If Get returns a []byte Value must never change the contents of the []byte. + AssignTo(dst interface{}) error +} + +// TypeValue is a Value where instances can represent different PostgreSQL types. This can be useful for +// representing types such as enums, composites, and arrays. +// +// In general, instances of TypeValue should not be used to directly represent a value. It should only be used as an +// encoder and decoder internal to ConnInfo. +type TypeValue interface { + Value + + // NewTypeValue creates a TypeValue including references to internal type information. e.g. the list of members + // in an EnumType. + NewTypeValue() Value + + // TypeName returns the PostgreSQL name of this type. + TypeName() string +} + +// ValueTranscoder is a value that implements the text and binary encoding and decoding interfaces. +type ValueTranscoder interface { + Value + TextEncoder + BinaryEncoder + TextDecoder + BinaryDecoder +} + +// ResultFormatPreferrer allows a type to specify its preferred result format instead of it being inferred from +// whether it is also a BinaryDecoder. +type ResultFormatPreferrer interface { + PreferredResultFormat() int16 +} + +// ParamFormatPreferrer allows a type to specify its preferred param format instead of it being inferred from +// whether it is also a BinaryEncoder. +type ParamFormatPreferrer interface { + PreferredParamFormat() int16 +} + +type BinaryDecoder interface { + // DecodeBinary decodes src into BinaryDecoder. If src is nil then the + // original SQL value is NULL. BinaryDecoder takes ownership of src. The + // caller MUST not use it again. + DecodeBinary(ci *ConnInfo, src []byte) error +} + +type TextDecoder interface { + // DecodeText decodes src into TextDecoder. If src is nil then the original + // SQL value is NULL. TextDecoder takes ownership of src. The caller MUST not + // use it again. + DecodeText(ci *ConnInfo, src []byte) error +} + +// BinaryEncoder is implemented by types that can encode themselves into the +// PostgreSQL binary wire format. +type BinaryEncoder interface { + // EncodeBinary should append the binary format of self to buf. If self is the + // SQL value NULL then append nothing and return (nil, nil). The caller of + // EncodeBinary is responsible for writing the correct NULL value or the + // length of the data written. + EncodeBinary(ci *ConnInfo, buf []byte) (newBuf []byte, err error) +} + +// TextEncoder is implemented by types that can encode themselves into the +// PostgreSQL text wire format. +type TextEncoder interface { + // EncodeText should append the text format of self to buf. If self is the + // SQL value NULL then append nothing and return (nil, nil). The caller of + // EncodeText is responsible for writing the correct NULL value or the + // length of the data written. + EncodeText(ci *ConnInfo, buf []byte) (newBuf []byte, err error) +} + +var errUndefined = errors.New("cannot encode status undefined") +var errBadStatus = errors.New("invalid status") + +type nullAssignmentError struct { + dst interface{} +} + +func (e *nullAssignmentError) Error() string { + return fmt.Sprintf("cannot assign NULL to %T", e.dst) +} + +type DataType struct { + Value Value + + textDecoder TextDecoder + binaryDecoder BinaryDecoder + + Name string + OID uint32 +} + +type ConnInfo struct { + oidToDataType map[uint32]*DataType + nameToDataType map[string]*DataType + reflectTypeToName map[reflect.Type]string + oidToParamFormatCode map[uint32]int16 + oidToResultFormatCode map[uint32]int16 + + reflectTypeToDataType map[reflect.Type]*DataType +} + +func newConnInfo() *ConnInfo { + return &ConnInfo{ + oidToDataType: make(map[uint32]*DataType), + nameToDataType: make(map[string]*DataType), + reflectTypeToName: make(map[reflect.Type]string), + oidToParamFormatCode: make(map[uint32]int16), + oidToResultFormatCode: make(map[uint32]int16), + } +} + +func NewConnInfo() *ConnInfo { + ci := newConnInfo() + + ci.RegisterDataType(DataType{Value: &ACLItemArray{}, Name: "_aclitem", OID: ACLItemArrayOID}) + ci.RegisterDataType(DataType{Value: &BoolArray{}, Name: "_bool", OID: BoolArrayOID}) + ci.RegisterDataType(DataType{Value: &BPCharArray{}, Name: "_bpchar", OID: BPCharArrayOID}) + ci.RegisterDataType(DataType{Value: &ByteaArray{}, Name: "_bytea", OID: ByteaArrayOID}) + ci.RegisterDataType(DataType{Value: &CIDRArray{}, Name: "_cidr", OID: CIDRArrayOID}) + ci.RegisterDataType(DataType{Value: &DateArray{}, Name: "_date", OID: DateArrayOID}) + ci.RegisterDataType(DataType{Value: &Float4Array{}, Name: "_float4", OID: Float4ArrayOID}) + ci.RegisterDataType(DataType{Value: &Float8Array{}, Name: "_float8", OID: Float8ArrayOID}) + ci.RegisterDataType(DataType{Value: &InetArray{}, Name: "_inet", OID: InetArrayOID}) + ci.RegisterDataType(DataType{Value: &Int2Array{}, Name: "_int2", OID: Int2ArrayOID}) + ci.RegisterDataType(DataType{Value: &Int4Array{}, Name: "_int4", OID: Int4ArrayOID}) + ci.RegisterDataType(DataType{Value: &Int8Array{}, Name: "_int8", OID: Int8ArrayOID}) + ci.RegisterDataType(DataType{Value: &NumericArray{}, Name: "_numeric", OID: NumericArrayOID}) + ci.RegisterDataType(DataType{Value: &TextArray{}, Name: "_text", OID: TextArrayOID}) + ci.RegisterDataType(DataType{Value: &TimestampArray{}, Name: "_timestamp", OID: TimestampArrayOID}) + ci.RegisterDataType(DataType{Value: &TimestamptzArray{}, Name: "_timestamptz", OID: TimestamptzArrayOID}) + ci.RegisterDataType(DataType{Value: &UUIDArray{}, Name: "_uuid", OID: UUIDArrayOID}) + ci.RegisterDataType(DataType{Value: &VarcharArray{}, Name: "_varchar", OID: VarcharArrayOID}) + ci.RegisterDataType(DataType{Value: &ACLItem{}, Name: "aclitem", OID: ACLItemOID}) + ci.RegisterDataType(DataType{Value: &Bit{}, Name: "bit", OID: BitOID}) + ci.RegisterDataType(DataType{Value: &Bool{}, Name: "bool", OID: BoolOID}) + ci.RegisterDataType(DataType{Value: &Box{}, Name: "box", OID: BoxOID}) + ci.RegisterDataType(DataType{Value: &BPChar{}, Name: "bpchar", OID: BPCharOID}) + ci.RegisterDataType(DataType{Value: &Bytea{}, Name: "bytea", OID: ByteaOID}) + ci.RegisterDataType(DataType{Value: &QChar{}, Name: "char", OID: QCharOID}) + ci.RegisterDataType(DataType{Value: &CID{}, Name: "cid", OID: CIDOID}) + ci.RegisterDataType(DataType{Value: &CIDR{}, Name: "cidr", OID: CIDROID}) + ci.RegisterDataType(DataType{Value: &Circle{}, Name: "circle", OID: CircleOID}) + ci.RegisterDataType(DataType{Value: &Date{}, Name: "date", OID: DateOID}) + ci.RegisterDataType(DataType{Value: &Daterange{}, Name: "daterange", OID: DaterangeOID}) + ci.RegisterDataType(DataType{Value: &Float4{}, Name: "float4", OID: Float4OID}) + ci.RegisterDataType(DataType{Value: &Float8{}, Name: "float8", OID: Float8OID}) + ci.RegisterDataType(DataType{Value: &Inet{}, Name: "inet", OID: InetOID}) + ci.RegisterDataType(DataType{Value: &Int2{}, Name: "int2", OID: Int2OID}) + ci.RegisterDataType(DataType{Value: &Int4{}, Name: "int4", OID: Int4OID}) + ci.RegisterDataType(DataType{Value: &Int4range{}, Name: "int4range", OID: Int4rangeOID}) + ci.RegisterDataType(DataType{Value: &Int4multirange{}, Name: "int4multirange", OID: Int4multirangeOID}) + ci.RegisterDataType(DataType{Value: &Int8{}, Name: "int8", OID: Int8OID}) + ci.RegisterDataType(DataType{Value: &Int8range{}, Name: "int8range", OID: Int8rangeOID}) + ci.RegisterDataType(DataType{Value: &Int8multirange{}, Name: "int8multirange", OID: Int8multirangeOID}) + ci.RegisterDataType(DataType{Value: &Interval{}, Name: "interval", OID: IntervalOID}) + ci.RegisterDataType(DataType{Value: &JSON{}, Name: "json", OID: JSONOID}) + ci.RegisterDataType(DataType{Value: &JSONArray{}, Name: "_json", OID: JSONArrayOID}) + ci.RegisterDataType(DataType{Value: &JSONB{}, Name: "jsonb", OID: JSONBOID}) + ci.RegisterDataType(DataType{Value: &JSONBArray{}, Name: "_jsonb", OID: JSONBArrayOID}) + ci.RegisterDataType(DataType{Value: &Line{}, Name: "line", OID: LineOID}) + ci.RegisterDataType(DataType{Value: &Lseg{}, Name: "lseg", OID: LsegOID}) + ci.RegisterDataType(DataType{Value: &Macaddr{}, Name: "macaddr", OID: MacaddrOID}) + ci.RegisterDataType(DataType{Value: &Name{}, Name: "name", OID: NameOID}) + ci.RegisterDataType(DataType{Value: &Numeric{}, Name: "numeric", OID: NumericOID}) + ci.RegisterDataType(DataType{Value: &Numrange{}, Name: "numrange", OID: NumrangeOID}) + ci.RegisterDataType(DataType{Value: &Nummultirange{}, Name: "nummultirange", OID: NummultirangeOID}) + ci.RegisterDataType(DataType{Value: &OIDValue{}, Name: "oid", OID: OIDOID}) + ci.RegisterDataType(DataType{Value: &Path{}, Name: "path", OID: PathOID}) + ci.RegisterDataType(DataType{Value: &Point{}, Name: "point", OID: PointOID}) + ci.RegisterDataType(DataType{Value: &Polygon{}, Name: "polygon", OID: PolygonOID}) + ci.RegisterDataType(DataType{Value: &Record{}, Name: "record", OID: RecordOID}) + ci.RegisterDataType(DataType{Value: &Text{}, Name: "text", OID: TextOID}) + ci.RegisterDataType(DataType{Value: &TID{}, Name: "tid", OID: TIDOID}) + ci.RegisterDataType(DataType{Value: &Time{}, Name: "time", OID: TimeOID}) + ci.RegisterDataType(DataType{Value: &Timestamp{}, Name: "timestamp", OID: TimestampOID}) + ci.RegisterDataType(DataType{Value: &Timestamptz{}, Name: "timestamptz", OID: TimestamptzOID}) + ci.RegisterDataType(DataType{Value: &Tsrange{}, Name: "tsrange", OID: TsrangeOID}) + ci.RegisterDataType(DataType{Value: &TsrangeArray{}, Name: "_tsrange", OID: TsrangeArrayOID}) + ci.RegisterDataType(DataType{Value: &Tstzrange{}, Name: "tstzrange", OID: TstzrangeOID}) + ci.RegisterDataType(DataType{Value: &TstzrangeArray{}, Name: "_tstzrange", OID: TstzrangeArrayOID}) + ci.RegisterDataType(DataType{Value: &Unknown{}, Name: "unknown", OID: UnknownOID}) + ci.RegisterDataType(DataType{Value: &UUID{}, Name: "uuid", OID: UUIDOID}) + ci.RegisterDataType(DataType{Value: &Varbit{}, Name: "varbit", OID: VarbitOID}) + ci.RegisterDataType(DataType{Value: &Varchar{}, Name: "varchar", OID: VarcharOID}) + ci.RegisterDataType(DataType{Value: &XID{}, Name: "xid", OID: XIDOID}) + + registerDefaultPgTypeVariants := func(name, arrayName string, value interface{}) { + ci.RegisterDefaultPgType(value, name) + valueType := reflect.TypeOf(value) + + ci.RegisterDefaultPgType(reflect.New(valueType).Interface(), name) + + sliceType := reflect.SliceOf(valueType) + ci.RegisterDefaultPgType(reflect.MakeSlice(sliceType, 0, 0).Interface(), arrayName) + + ci.RegisterDefaultPgType(reflect.New(sliceType).Interface(), arrayName) + } + + // Integer types that directly map to a PostgreSQL type + registerDefaultPgTypeVariants("int2", "_int2", int16(0)) + registerDefaultPgTypeVariants("int4", "_int4", int32(0)) + registerDefaultPgTypeVariants("int8", "_int8", int64(0)) + + // Integer types that do not have a direct match to a PostgreSQL type + registerDefaultPgTypeVariants("int8", "_int8", uint16(0)) + registerDefaultPgTypeVariants("int8", "_int8", uint32(0)) + registerDefaultPgTypeVariants("int8", "_int8", uint64(0)) + registerDefaultPgTypeVariants("int8", "_int8", int(0)) + registerDefaultPgTypeVariants("int8", "_int8", uint(0)) + + registerDefaultPgTypeVariants("float4", "_float4", float32(0)) + registerDefaultPgTypeVariants("float8", "_float8", float64(0)) + + registerDefaultPgTypeVariants("bool", "_bool", false) + registerDefaultPgTypeVariants("timestamptz", "_timestamptz", time.Time{}) + registerDefaultPgTypeVariants("text", "_text", "") + registerDefaultPgTypeVariants("bytea", "_bytea", []byte(nil)) + + registerDefaultPgTypeVariants("inet", "_inet", net.IP{}) + ci.RegisterDefaultPgType((*net.IPNet)(nil), "cidr") + ci.RegisterDefaultPgType([]*net.IPNet(nil), "_cidr") + + return ci +} + +func (ci *ConnInfo) InitializeDataTypes(nameOIDs map[string]uint32) { + for name, oid := range nameOIDs { + var value Value + if t, ok := nameValues[name]; ok { + value = reflect.New(reflect.ValueOf(t).Elem().Type()).Interface().(Value) + } else { + value = &GenericText{} + } + ci.RegisterDataType(DataType{Value: value, Name: name, OID: oid}) + } +} + +func (ci *ConnInfo) RegisterDataType(t DataType) { + t.Value = NewValue(t.Value) + + ci.oidToDataType[t.OID] = &t + ci.nameToDataType[t.Name] = &t + + { + var formatCode int16 + if pfp, ok := t.Value.(ParamFormatPreferrer); ok { + formatCode = pfp.PreferredParamFormat() + } else if _, ok := t.Value.(BinaryEncoder); ok { + formatCode = BinaryFormatCode + } + ci.oidToParamFormatCode[t.OID] = formatCode + } + + { + var formatCode int16 + if rfp, ok := t.Value.(ResultFormatPreferrer); ok { + formatCode = rfp.PreferredResultFormat() + } else if _, ok := t.Value.(BinaryDecoder); ok { + formatCode = BinaryFormatCode + } + ci.oidToResultFormatCode[t.OID] = formatCode + } + + if d, ok := t.Value.(TextDecoder); ok { + t.textDecoder = d + } + + if d, ok := t.Value.(BinaryDecoder); ok { + t.binaryDecoder = d + } + + ci.reflectTypeToDataType = nil // Invalidated by type registration +} + +// RegisterDefaultPgType registers a mapping of a Go type to a PostgreSQL type name. Typically the data type to be +// encoded or decoded is determined by the PostgreSQL OID. But if the OID of a value to be encoded or decoded is +// unknown, this additional mapping will be used by DataTypeForValue to determine a suitable data type. +func (ci *ConnInfo) RegisterDefaultPgType(value interface{}, name string) { + ci.reflectTypeToName[reflect.TypeOf(value)] = name + ci.reflectTypeToDataType = nil // Invalidated by registering a default type +} + +func (ci *ConnInfo) DataTypeForOID(oid uint32) (*DataType, bool) { + dt, ok := ci.oidToDataType[oid] + return dt, ok +} + +func (ci *ConnInfo) DataTypeForName(name string) (*DataType, bool) { + dt, ok := ci.nameToDataType[name] + return dt, ok +} + +func (ci *ConnInfo) buildReflectTypeToDataType() { + ci.reflectTypeToDataType = make(map[reflect.Type]*DataType) + + for _, dt := range ci.oidToDataType { + if _, is := dt.Value.(TypeValue); !is { + ci.reflectTypeToDataType[reflect.ValueOf(dt.Value).Type()] = dt + } + } + + for reflectType, name := range ci.reflectTypeToName { + if dt, ok := ci.nameToDataType[name]; ok { + ci.reflectTypeToDataType[reflectType] = dt + } + } +} + +// DataTypeForValue finds a data type suitable for v. Use RegisterDataType to register types that can encode and decode +// themselves. Use RegisterDefaultPgType to register that can be handled by a registered data type. +func (ci *ConnInfo) DataTypeForValue(v interface{}) (*DataType, bool) { + if ci.reflectTypeToDataType == nil { + ci.buildReflectTypeToDataType() + } + + if tv, ok := v.(TypeValue); ok { + dt, ok := ci.nameToDataType[tv.TypeName()] + return dt, ok + } + + dt, ok := ci.reflectTypeToDataType[reflect.TypeOf(v)] + return dt, ok +} + +func (ci *ConnInfo) ParamFormatCodeForOID(oid uint32) int16 { + fc, ok := ci.oidToParamFormatCode[oid] + if ok { + return fc + } + return TextFormatCode +} + +func (ci *ConnInfo) ResultFormatCodeForOID(oid uint32) int16 { + fc, ok := ci.oidToResultFormatCode[oid] + if ok { + return fc + } + return TextFormatCode +} + +// DeepCopy makes a deep copy of the ConnInfo. +func (ci *ConnInfo) DeepCopy() *ConnInfo { + ci2 := newConnInfo() + + for _, dt := range ci.oidToDataType { + ci2.RegisterDataType(DataType{ + Value: NewValue(dt.Value), + Name: dt.Name, + OID: dt.OID, + }) + } + + for t, n := range ci.reflectTypeToName { + ci2.reflectTypeToName[t] = n + } + + return ci2 +} + +// ScanPlan is a precompiled plan to scan into a type of destination. +type ScanPlan interface { + // Scan scans src into dst. If the dst type has changed in an incompatible way a ScanPlan should automatically + // replan and scan. + Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error +} + +type scanPlanDstBinaryDecoder struct{} + +func (scanPlanDstBinaryDecoder) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if d, ok := (dst).(BinaryDecoder); ok { + return d.DecodeBinary(ci, src) + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanDstTextDecoder struct{} + +func (plan scanPlanDstTextDecoder) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if d, ok := (dst).(TextDecoder); ok { + return d.DecodeText(ci, src) + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanDataTypeSQLScanner DataType + +func (plan *scanPlanDataTypeSQLScanner) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + scanner, ok := dst.(sql.Scanner) + if !ok { + dv := reflect.ValueOf(dst) + if dv.Kind() != reflect.Ptr || !dv.Type().Elem().Implements(scannerType) { + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) + } + if src == nil { + // Ensure the pointer points to a zero version of the value + dv.Elem().Set(reflect.Zero(dv.Type().Elem())) + return nil + } + dv = dv.Elem() + // If the pointer is to a nil pointer then set that before scanning + if dv.Kind() == reflect.Ptr && dv.IsNil() { + dv.Set(reflect.New(dv.Type().Elem())) + } + scanner = dv.Interface().(sql.Scanner) + } + + dt := (*DataType)(plan) + var err error + switch formatCode { + case BinaryFormatCode: + err = dt.binaryDecoder.DecodeBinary(ci, src) + case TextFormatCode: + err = dt.textDecoder.DecodeText(ci, src) + } + if err != nil { + return err + } + + sqlSrc, err := DatabaseSQLValue(ci, dt.Value) + if err != nil { + return err + } + return scanner.Scan(sqlSrc) +} + +type scanPlanDataTypeAssignTo DataType + +func (plan *scanPlanDataTypeAssignTo) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + dt := (*DataType)(plan) + var err error + switch formatCode { + case BinaryFormatCode: + err = dt.binaryDecoder.DecodeBinary(ci, src) + case TextFormatCode: + err = dt.textDecoder.DecodeText(ci, src) + } + if err != nil { + return err + } + + assignToErr := dt.Value.AssignTo(dst) + if assignToErr == nil { + return nil + } + + if dstPtr, ok := dst.(*interface{}); ok { + *dstPtr = dt.Value.Get() + return nil + } + + // assignToErr might have failed because the type of destination has changed + newPlan := ci.PlanScan(oid, formatCode, dst) + if newPlan, sameType := newPlan.(*scanPlanDataTypeAssignTo); !sameType { + return newPlan.Scan(ci, oid, formatCode, src, dst) + } + + return assignToErr +} + +type scanPlanSQLScanner struct{} + +func (scanPlanSQLScanner) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + scanner, ok := dst.(sql.Scanner) + if !ok { + dv := reflect.ValueOf(dst) + if dv.Kind() != reflect.Ptr || !dv.Type().Elem().Implements(scannerType) { + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) + } + if src == nil { + // Ensure the pointer points to a zero version of the value + dv.Elem().Set(reflect.Zero(dv.Elem().Type())) + return nil + } + dv = dv.Elem() + // If the pointer is to a nil pointer then set that before scanning + if dv.Kind() == reflect.Ptr && dv.IsNil() { + dv.Set(reflect.New(dv.Type().Elem())) + } + scanner = dv.Interface().(sql.Scanner) + } + if src == nil { + // This is necessary because interface value []byte:nil does not equal nil:nil for the binary format path and the + // text format path would be converted to empty string. + return scanner.Scan(nil) + } else if formatCode == BinaryFormatCode { + return scanner.Scan(src) + } else { + return scanner.Scan(string(src)) + } +} + +type scanPlanReflection struct{} + +func (scanPlanReflection) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + // We might be given a pointer to something that implements the decoder interface(s), + // even though the pointer itself doesn't. + refVal := reflect.ValueOf(dst) + if refVal.Kind() == reflect.Ptr && refVal.Type().Elem().Kind() == reflect.Ptr { + // If the database returned NULL, then we set dest as nil to indicate that. + if src == nil { + nilPtr := reflect.Zero(refVal.Type().Elem()) + refVal.Elem().Set(nilPtr) + return nil + } + + // We need to allocate an element, and set the destination to it + // Then we can retry as that element. + elemPtr := reflect.New(refVal.Type().Elem().Elem()) + refVal.Elem().Set(elemPtr) + + plan := ci.PlanScan(oid, formatCode, elemPtr.Interface()) + return plan.Scan(ci, oid, formatCode, src, elemPtr.Interface()) + } + + return scanUnknownType(oid, formatCode, src, dst) +} + +type scanPlanBinaryInt16 struct{} + +func (scanPlanBinaryInt16) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan null into %T", dst) + } + + if len(src) != 2 { + return fmt.Errorf("invalid length for int2: %v", len(src)) + } + + if p, ok := (dst).(*int16); ok { + *p = int16(binary.BigEndian.Uint16(src)) + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanBinaryInt32 struct{} + +func (scanPlanBinaryInt32) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan null into %T", dst) + } + + if len(src) != 4 { + return fmt.Errorf("invalid length for int4: %v", len(src)) + } + + if p, ok := (dst).(*int32); ok { + *p = int32(binary.BigEndian.Uint32(src)) + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanBinaryInt64 struct{} + +func (scanPlanBinaryInt64) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan null into %T", dst) + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for int8: %v", len(src)) + } + + if p, ok := (dst).(*int64); ok { + *p = int64(binary.BigEndian.Uint64(src)) + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanBinaryFloat32 struct{} + +func (scanPlanBinaryFloat32) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan null into %T", dst) + } + + if len(src) != 4 { + return fmt.Errorf("invalid length for int4: %v", len(src)) + } + + if p, ok := (dst).(*float32); ok { + n := int32(binary.BigEndian.Uint32(src)) + *p = float32(math.Float32frombits(uint32(n))) + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanBinaryFloat64 struct{} + +func (scanPlanBinaryFloat64) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan null into %T", dst) + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for int8: %v", len(src)) + } + + if p, ok := (dst).(*float64); ok { + n := int64(binary.BigEndian.Uint64(src)) + *p = float64(math.Float64frombits(uint64(n))) + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanBinaryBytes struct{} + +func (scanPlanBinaryBytes) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if p, ok := (dst).(*[]byte); ok { + *p = src + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +type scanPlanString struct{} + +func (scanPlanString) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error { + if src == nil { + return fmt.Errorf("cannot scan null into %T", dst) + } + + if p, ok := (dst).(*string); ok { + *p = string(src) + return nil + } + + newPlan := ci.PlanScan(oid, formatCode, dst) + return newPlan.Scan(ci, oid, formatCode, src, dst) +} + +var scannerType = reflect.TypeOf((*sql.Scanner)(nil)).Elem() + +func isScanner(dst interface{}) bool { + if _, ok := dst.(sql.Scanner); ok { + return true + } + if t := reflect.TypeOf(dst); t != nil && t.Kind() == reflect.Ptr && t.Elem().Implements(scannerType) { + return true + } + return false +} + +// PlanScan prepares a plan to scan a value into dst. +func (ci *ConnInfo) PlanScan(oid uint32, formatCode int16, dst interface{}) ScanPlan { + switch formatCode { + case BinaryFormatCode: + switch dst.(type) { + case *string: + switch oid { + case TextOID, VarcharOID: + return scanPlanString{} + } + case *int16: + if oid == Int2OID { + return scanPlanBinaryInt16{} + } + case *int32: + if oid == Int4OID { + return scanPlanBinaryInt32{} + } + case *int64: + if oid == Int8OID { + return scanPlanBinaryInt64{} + } + case *float32: + if oid == Float4OID { + return scanPlanBinaryFloat32{} + } + case *float64: + if oid == Float8OID { + return scanPlanBinaryFloat64{} + } + case *[]byte: + switch oid { + case ByteaOID, TextOID, VarcharOID, JSONOID: + return scanPlanBinaryBytes{} + } + case BinaryDecoder: + return scanPlanDstBinaryDecoder{} + } + case TextFormatCode: + switch dst.(type) { + case *string: + return scanPlanString{} + case *[]byte: + if oid != ByteaOID { + return scanPlanBinaryBytes{} + } + case TextDecoder: + return scanPlanDstTextDecoder{} + } + } + + var dt *DataType + + if oid == 0 { + if dataType, ok := ci.DataTypeForValue(dst); ok { + dt = dataType + } + } else { + if dataType, ok := ci.DataTypeForOID(oid); ok { + dt = dataType + } + } + + if dt != nil { + if isScanner(dst) { + return (*scanPlanDataTypeSQLScanner)(dt) + } + return (*scanPlanDataTypeAssignTo)(dt) + } + + if isScanner(dst) { + return scanPlanSQLScanner{} + } + + return scanPlanReflection{} +} + +func (ci *ConnInfo) Scan(oid uint32, formatCode int16, src []byte, dst interface{}) error { + if dst == nil { + return nil + } + + plan := ci.PlanScan(oid, formatCode, dst) + return plan.Scan(ci, oid, formatCode, src, dst) +} + +func scanUnknownType(oid uint32, formatCode int16, buf []byte, dest interface{}) error { + switch dest := dest.(type) { + case *string: + if formatCode == BinaryFormatCode { + return fmt.Errorf("unknown oid %d in binary format cannot be scanned into %T", oid, dest) + } + *dest = string(buf) + return nil + case *[]byte: + *dest = buf + return nil + default: + if nextDst, retry := GetAssignToDstType(dest); retry { + return scanUnknownType(oid, formatCode, buf, nextDst) + } + return fmt.Errorf("unknown oid %d cannot be scanned into %T", oid, dest) + } +} + +// NewValue returns a new instance of the same type as v. +func NewValue(v Value) Value { + if tv, ok := v.(TypeValue); ok { + return tv.NewTypeValue() + } else { + return reflect.New(reflect.ValueOf(v).Elem().Type()).Interface().(Value) + } +} + +var nameValues map[string]Value + +func init() { + nameValues = map[string]Value{ + "_aclitem": &ACLItemArray{}, + "_bool": &BoolArray{}, + "_bpchar": &BPCharArray{}, + "_bytea": &ByteaArray{}, + "_cidr": &CIDRArray{}, + "_date": &DateArray{}, + "_float4": &Float4Array{}, + "_float8": &Float8Array{}, + "_inet": &InetArray{}, + "_int2": &Int2Array{}, + "_int4": &Int4Array{}, + "_int8": &Int8Array{}, + "_numeric": &NumericArray{}, + "_text": &TextArray{}, + "_timestamp": &TimestampArray{}, + "_timestamptz": &TimestamptzArray{}, + "_uuid": &UUIDArray{}, + "_varchar": &VarcharArray{}, + "_json": &JSONArray{}, + "_jsonb": &JSONBArray{}, + "aclitem": &ACLItem{}, + "bit": &Bit{}, + "bool": &Bool{}, + "box": &Box{}, + "bpchar": &BPChar{}, + "bytea": &Bytea{}, + "char": &QChar{}, + "cid": &CID{}, + "cidr": &CIDR{}, + "circle": &Circle{}, + "date": &Date{}, + "daterange": &Daterange{}, + "float4": &Float4{}, + "float8": &Float8{}, + "hstore": &Hstore{}, + "inet": &Inet{}, + "int2": &Int2{}, + "int4": &Int4{}, + "int4range": &Int4range{}, + "int4multirange": &Int4multirange{}, + "int8": &Int8{}, + "int8range": &Int8range{}, + "int8multirange": &Int8multirange{}, + "interval": &Interval{}, + "json": &JSON{}, + "jsonb": &JSONB{}, + "line": &Line{}, + "lseg": &Lseg{}, + "ltree": &Ltree{}, + "macaddr": &Macaddr{}, + "name": &Name{}, + "numeric": &Numeric{}, + "numrange": &Numrange{}, + "nummultirange": &Nummultirange{}, + "oid": &OIDValue{}, + "path": &Path{}, + "point": &Point{}, + "polygon": &Polygon{}, + "record": &Record{}, + "text": &Text{}, + "tid": &TID{}, + "timestamp": &Timestamp{}, + "timestamptz": &Timestamptz{}, + "tsrange": &Tsrange{}, + "_tsrange": &TsrangeArray{}, + "tstzrange": &Tstzrange{}, + "_tstzrange": &TstzrangeArray{}, + "unknown": &Unknown{}, + "uuid": &UUID{}, + "varbit": &Varbit{}, + "varchar": &Varchar{}, + "xid": &XID{}, + } +} diff --git a/vendor/github.com/jackc/pgtype/pguint32.go b/vendor/github.com/jackc/pgtype/pguint32.go new file mode 100644 index 000000000..a0e88ca2a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/pguint32.go @@ -0,0 +1,162 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgio" +) + +// pguint32 is the core type that is used to implement PostgreSQL types such as +// CID and XID. +type pguint32 struct { + Uint uint32 + Status Status +} + +// Set converts from src to dst. Note that as pguint32 is not a general +// number type Set does not do automatic type conversion as other number +// types do. +func (dst *pguint32) Set(src interface{}) error { + switch value := src.(type) { + case int64: + if value < 0 { + return fmt.Errorf("%d is less than minimum value for pguint32", value) + } + if value > math.MaxUint32 { + return fmt.Errorf("%d is greater than maximum value for pguint32", value) + } + *dst = pguint32{Uint: uint32(value), Status: Present} + case uint32: + *dst = pguint32{Uint: value, Status: Present} + default: + return fmt.Errorf("cannot convert %v to pguint32", value) + } + + return nil +} + +func (dst pguint32) Get() interface{} { + switch dst.Status { + case Present: + return dst.Uint + case Null: + return nil + default: + return dst.Status + } +} + +// AssignTo assigns from src to dst. Note that as pguint32 is not a general number +// type AssignTo does not do automatic type conversion as other number types do. +func (src *pguint32) AssignTo(dst interface{}) error { + switch v := dst.(type) { + case *uint32: + if src.Status == Present { + *v = src.Uint + } else { + return fmt.Errorf("cannot assign %v into %T", src, dst) + } + case **uint32: + if src.Status == Present { + n := src.Uint + *v = &n + } else { + *v = nil + } + } + + return nil +} + +func (dst *pguint32) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = pguint32{Status: Null} + return nil + } + + n, err := strconv.ParseUint(string(src), 10, 32) + if err != nil { + return err + } + + *dst = pguint32{Uint: uint32(n), Status: Present} + return nil +} + +func (dst *pguint32) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = pguint32{Status: Null} + return nil + } + + if len(src) != 4 { + return fmt.Errorf("invalid length: %v", len(src)) + } + + n := binary.BigEndian.Uint32(src) + *dst = pguint32{Uint: n, Status: Present} + return nil +} + +func (src pguint32) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, strconv.FormatUint(uint64(src.Uint), 10)...), nil +} + +func (src pguint32) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return pgio.AppendUint32(buf, src.Uint), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *pguint32) Scan(src interface{}) error { + if src == nil { + *dst = pguint32{Status: Null} + return nil + } + + switch src := src.(type) { + case uint32: + *dst = pguint32{Uint: src, Status: Present} + return nil + case int64: + *dst = pguint32{Uint: uint32(src), Status: Present} + return nil + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src pguint32) Value() (driver.Value, error) { + switch src.Status { + case Present: + return int64(src.Uint), nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} diff --git a/vendor/github.com/jackc/pgtype/point.go b/vendor/github.com/jackc/pgtype/point.go new file mode 100644 index 000000000..debc16e5e --- /dev/null +++ b/vendor/github.com/jackc/pgtype/point.go @@ -0,0 +1,214 @@ +package pgtype + +import ( + "bytes" + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Vec2 struct { + X float64 + Y float64 +} + +type Point struct { + P Vec2 + Status Status +} + +func (dst *Point) Set(src interface{}) error { + if src == nil { + dst.Status = Null + return nil + } + err := fmt.Errorf("cannot convert %v to Point", src) + var p *Point + switch value := src.(type) { + case string: + p, err = parsePoint([]byte(value)) + case []byte: + p, err = parsePoint(value) + default: + return err + } + if err != nil { + return err + } + *dst = *p + return nil +} + +func parsePoint(src []byte) (*Point, error) { + if src == nil || bytes.Equal(src, []byte("null")) { + return &Point{Status: Null}, nil + } + + if len(src) < 5 { + return nil, fmt.Errorf("invalid length for point: %v", len(src)) + } + if src[0] == '"' && src[len(src)-1] == '"' { + src = src[1 : len(src)-1] + } + parts := strings.SplitN(string(src[1:len(src)-1]), ",", 2) + if len(parts) < 2 { + return nil, fmt.Errorf("invalid format for point") + } + + x, err := strconv.ParseFloat(parts[0], 64) + if err != nil { + return nil, err + } + + y, err := strconv.ParseFloat(parts[1], 64) + if err != nil { + return nil, err + } + + return &Point{P: Vec2{x, y}, Status: Present}, nil +} + +func (dst Point) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Point) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Point) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Point{Status: Null} + return nil + } + + if len(src) < 5 { + return fmt.Errorf("invalid length for point: %v", len(src)) + } + + parts := strings.SplitN(string(src[1:len(src)-1]), ",", 2) + if len(parts) < 2 { + return fmt.Errorf("invalid format for point") + } + + x, err := strconv.ParseFloat(parts[0], 64) + if err != nil { + return err + } + + y, err := strconv.ParseFloat(parts[1], 64) + if err != nil { + return err + } + + *dst = Point{P: Vec2{x, y}, Status: Present} + return nil +} + +func (dst *Point) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Point{Status: Null} + return nil + } + + if len(src) != 16 { + return fmt.Errorf("invalid length for point: %v", len(src)) + } + + x := binary.BigEndian.Uint64(src) + y := binary.BigEndian.Uint64(src[8:]) + + *dst = Point{ + P: Vec2{math.Float64frombits(x), math.Float64frombits(y)}, + Status: Present, + } + return nil +} + +func (src Point) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, fmt.Sprintf(`(%s,%s)`, + strconv.FormatFloat(src.P.X, 'f', -1, 64), + strconv.FormatFloat(src.P.Y, 'f', -1, 64), + )...), nil +} + +func (src Point) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint64(buf, math.Float64bits(src.P.X)) + buf = pgio.AppendUint64(buf, math.Float64bits(src.P.Y)) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Point) Scan(src interface{}) error { + if src == nil { + *dst = Point{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Point) Value() (driver.Value, error) { + return EncodeValueText(src) +} + +func (src Point) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + var buff bytes.Buffer + buff.WriteByte('"') + buff.WriteString(fmt.Sprintf("(%g,%g)", src.P.X, src.P.Y)) + buff.WriteByte('"') + return buff.Bytes(), nil + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + return nil, errBadStatus +} + +func (dst *Point) UnmarshalJSON(point []byte) error { + p, err := parsePoint(point) + if err != nil { + return err + } + *dst = *p + return nil +} diff --git a/vendor/github.com/jackc/pgtype/polygon.go b/vendor/github.com/jackc/pgtype/polygon.go new file mode 100644 index 000000000..207cadc00 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/polygon.go @@ -0,0 +1,226 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "math" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +type Polygon struct { + P []Vec2 + Status Status +} + +// Set converts src to dest. +// +// src can be nil, string, []float64, and []pgtype.Vec2. +// +// If src is string the format must be ((x1,y1),(x2,y2),...,(xn,yn)). +// Important that there are no spaces in it. +func (dst *Polygon) Set(src interface{}) error { + if src == nil { + dst.Status = Null + return nil + } + err := fmt.Errorf("cannot convert %v to Polygon", src) + var p *Polygon + switch value := src.(type) { + case string: + p, err = stringToPolygon(value) + case []Vec2: + p = &Polygon{Status: Present, P: value} + err = nil + case []float64: + p, err = float64ToPolygon(value) + default: + return err + } + if err != nil { + return err + } + *dst = *p + return nil +} + +func stringToPolygon(src string) (*Polygon, error) { + p := &Polygon{} + err := p.DecodeText(nil, []byte(src)) + return p, err +} + +func float64ToPolygon(src []float64) (*Polygon, error) { + p := &Polygon{Status: Null} + if len(src) == 0 { + return p, nil + } + if len(src)%2 != 0 { + p.Status = Undefined + return p, fmt.Errorf("invalid length for polygon: %v", len(src)) + } + p.Status = Present + p.P = make([]Vec2, 0) + for i := 0; i < len(src); i += 2 { + p.P = append(p.P, Vec2{X: src[i], Y: src[i+1]}) + } + return p, nil +} + +func (dst Polygon) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Polygon) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Polygon) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Polygon{Status: Null} + return nil + } + + if len(src) < 7 { + return fmt.Errorf("invalid length for Polygon: %v", len(src)) + } + + points := make([]Vec2, 0) + + str := string(src[2:]) + + for { + end := strings.IndexByte(str, ',') + x, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + str = str[end+1:] + end = strings.IndexByte(str, ')') + + y, err := strconv.ParseFloat(str[:end], 64) + if err != nil { + return err + } + + points = append(points, Vec2{x, y}) + + if end+3 < len(str) { + str = str[end+3:] + } else { + break + } + } + + *dst = Polygon{P: points, Status: Present} + return nil +} + +func (dst *Polygon) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Polygon{Status: Null} + return nil + } + + if len(src) < 5 { + return fmt.Errorf("invalid length for Polygon: %v", len(src)) + } + + pointCount := int(binary.BigEndian.Uint32(src)) + rp := 4 + + if 4+pointCount*16 != len(src) { + return fmt.Errorf("invalid length for Polygon with %d points: %v", pointCount, len(src)) + } + + points := make([]Vec2, pointCount) + for i := 0; i < len(points); i++ { + x := binary.BigEndian.Uint64(src[rp:]) + rp += 8 + y := binary.BigEndian.Uint64(src[rp:]) + rp += 8 + points[i] = Vec2{math.Float64frombits(x), math.Float64frombits(y)} + } + + *dst = Polygon{ + P: points, + Status: Present, + } + return nil +} + +func (src Polygon) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, '(') + + for i, p := range src.P { + if i > 0 { + buf = append(buf, ',') + } + buf = append(buf, fmt.Sprintf(`(%s,%s)`, + strconv.FormatFloat(p.X, 'f', -1, 64), + strconv.FormatFloat(p.Y, 'f', -1, 64), + )...) + } + + return append(buf, ')'), nil +} + +func (src Polygon) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, int32(len(src.P))) + + for _, p := range src.P { + buf = pgio.AppendUint64(buf, math.Float64bits(p.X)) + buf = pgio.AppendUint64(buf, math.Float64bits(p.Y)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Polygon) Scan(src interface{}) error { + if src == nil { + *dst = Polygon{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Polygon) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/qchar.go b/vendor/github.com/jackc/pgtype/qchar.go new file mode 100644 index 000000000..574f6066c --- /dev/null +++ b/vendor/github.com/jackc/pgtype/qchar.go @@ -0,0 +1,152 @@ +package pgtype + +import ( + "fmt" + "math" + "strconv" +) + +// QChar is for PostgreSQL's special 8-bit-only "char" type more akin to the C +// language's char type, or Go's byte type. (Note that the name in PostgreSQL +// itself is "char", in double-quotes, and not char.) It gets used a lot in +// PostgreSQL's system tables to hold a single ASCII character value (eg +// pg_class.relkind). It is named Qchar for quoted char to disambiguate from SQL +// standard type char. +// +// Not all possible values of QChar are representable in the text format. +// Therefore, QChar does not implement TextEncoder and TextDecoder. In +// addition, database/sql Scanner and database/sql/driver Value are not +// implemented. +type QChar struct { + Int int8 + Status Status +} + +func (dst *QChar) Set(src interface{}) error { + if src == nil { + *dst = QChar{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case int8: + *dst = QChar{Int: value, Status: Present} + case uint8: + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case int16: + if value < math.MinInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case uint16: + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case int32: + if value < math.MinInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case uint32: + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case int64: + if value < math.MinInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case uint64: + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case int: + if value < math.MinInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case uint: + if value > math.MaxInt8 { + return fmt.Errorf("%d is greater than maximum value for QChar", value) + } + *dst = QChar{Int: int8(value), Status: Present} + case string: + num, err := strconv.ParseInt(value, 10, 8) + if err != nil { + return err + } + *dst = QChar{Int: int8(num), Status: Present} + default: + if originalSrc, ok := underlyingNumberType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to QChar", value) + } + + return nil +} + +func (dst QChar) Get() interface{} { + switch dst.Status { + case Present: + return dst.Int + case Null: + return nil + default: + return dst.Status + } +} + +func (src *QChar) AssignTo(dst interface{}) error { + return int64AssignTo(int64(src.Int), src.Status, dst) +} + +func (dst *QChar) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = QChar{Status: Null} + return nil + } + + if len(src) != 1 { + return fmt.Errorf(`invalid length for "char": %v`, len(src)) + } + + *dst = QChar{Int: int8(src[0]), Status: Present} + return nil +} + +func (src QChar) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, byte(src.Int)), nil +} diff --git a/vendor/github.com/jackc/pgtype/range.go b/vendor/github.com/jackc/pgtype/range.go new file mode 100644 index 000000000..e999f6a91 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/range.go @@ -0,0 +1,277 @@ +package pgtype + +import ( + "bytes" + "encoding/binary" + "fmt" +) + +type BoundType byte + +const ( + Inclusive = BoundType('i') + Exclusive = BoundType('e') + Unbounded = BoundType('U') + Empty = BoundType('E') +) + +func (bt BoundType) String() string { + return string(bt) +} + +type UntypedTextRange struct { + Lower string + Upper string + LowerType BoundType + UpperType BoundType +} + +func ParseUntypedTextRange(src string) (*UntypedTextRange, error) { + utr := &UntypedTextRange{} + if src == "empty" { + utr.LowerType = Empty + utr.UpperType = Empty + return utr, nil + } + + buf := bytes.NewBufferString(src) + + skipWhitespace(buf) + + r, _, err := buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid lower bound: %v", err) + } + switch r { + case '(': + utr.LowerType = Exclusive + case '[': + utr.LowerType = Inclusive + default: + return nil, fmt.Errorf("missing lower bound, instead got: %v", string(r)) + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid lower value: %v", err) + } + buf.UnreadRune() + + if r == ',' { + utr.LowerType = Unbounded + } else { + utr.Lower, err = rangeParseValue(buf) + if err != nil { + return nil, fmt.Errorf("invalid lower value: %v", err) + } + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("missing range separator: %v", err) + } + if r != ',' { + return nil, fmt.Errorf("missing range separator: %v", r) + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("invalid upper value: %v", err) + } + + if r == ')' || r == ']' { + utr.UpperType = Unbounded + } else { + buf.UnreadRune() + utr.Upper, err = rangeParseValue(buf) + if err != nil { + return nil, fmt.Errorf("invalid upper value: %v", err) + } + + r, _, err = buf.ReadRune() + if err != nil { + return nil, fmt.Errorf("missing upper bound: %v", err) + } + switch r { + case ')': + utr.UpperType = Exclusive + case ']': + utr.UpperType = Inclusive + default: + return nil, fmt.Errorf("missing upper bound, instead got: %v", string(r)) + } + } + + skipWhitespace(buf) + + if buf.Len() > 0 { + return nil, fmt.Errorf("unexpected trailing data: %v", buf.String()) + } + + return utr, nil +} + +func rangeParseValue(buf *bytes.Buffer) (string, error) { + r, _, err := buf.ReadRune() + if err != nil { + return "", err + } + if r == '"' { + return rangeParseQuotedValue(buf) + } + buf.UnreadRune() + + s := &bytes.Buffer{} + + for { + r, _, err := buf.ReadRune() + if err != nil { + return "", err + } + + switch r { + case '\\': + r, _, err = buf.ReadRune() + if err != nil { + return "", err + } + case ',', '[', ']', '(', ')': + buf.UnreadRune() + return s.String(), nil + } + + s.WriteRune(r) + } +} + +func rangeParseQuotedValue(buf *bytes.Buffer) (string, error) { + s := &bytes.Buffer{} + + for { + r, _, err := buf.ReadRune() + if err != nil { + return "", err + } + + switch r { + case '\\': + r, _, err = buf.ReadRune() + if err != nil { + return "", err + } + case '"': + r, _, err = buf.ReadRune() + if err != nil { + return "", err + } + if r != '"' { + buf.UnreadRune() + return s.String(), nil + } + } + s.WriteRune(r) + } +} + +type UntypedBinaryRange struct { + Lower []byte + Upper []byte + LowerType BoundType + UpperType BoundType +} + +// 0 = () = 00000 +// 1 = empty = 00001 +// 2 = [) = 00010 +// 4 = (] = 00100 +// 6 = [] = 00110 +// 8 = ) = 01000 +// 12 = ] = 01100 +// 16 = ( = 10000 +// 18 = [ = 10010 +// 24 = = 11000 + +const emptyMask = 1 +const lowerInclusiveMask = 2 +const upperInclusiveMask = 4 +const lowerUnboundedMask = 8 +const upperUnboundedMask = 16 + +func ParseUntypedBinaryRange(src []byte) (*UntypedBinaryRange, error) { + ubr := &UntypedBinaryRange{} + + if len(src) == 0 { + return nil, fmt.Errorf("range too short: %v", len(src)) + } + + rangeType := src[0] + rp := 1 + + if rangeType&emptyMask > 0 { + if len(src[rp:]) > 0 { + return nil, fmt.Errorf("unexpected trailing bytes parsing empty range: %v", len(src[rp:])) + } + ubr.LowerType = Empty + ubr.UpperType = Empty + return ubr, nil + } + + if rangeType&lowerInclusiveMask > 0 { + ubr.LowerType = Inclusive + } else if rangeType&lowerUnboundedMask > 0 { + ubr.LowerType = Unbounded + } else { + ubr.LowerType = Exclusive + } + + if rangeType&upperInclusiveMask > 0 { + ubr.UpperType = Inclusive + } else if rangeType&upperUnboundedMask > 0 { + ubr.UpperType = Unbounded + } else { + ubr.UpperType = Exclusive + } + + if ubr.LowerType == Unbounded && ubr.UpperType == Unbounded { + if len(src[rp:]) > 0 { + return nil, fmt.Errorf("unexpected trailing bytes parsing unbounded range: %v", len(src[rp:])) + } + return ubr, nil + } + + if len(src[rp:]) < 4 { + return nil, fmt.Errorf("too few bytes for size: %v", src[rp:]) + } + valueLen := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + val := src[rp : rp+valueLen] + rp += valueLen + + if ubr.LowerType != Unbounded { + ubr.Lower = val + } else { + ubr.Upper = val + if len(src[rp:]) > 0 { + return nil, fmt.Errorf("unexpected trailing bytes parsing range: %v", len(src[rp:])) + } + return ubr, nil + } + + if ubr.UpperType != Unbounded { + if len(src[rp:]) < 4 { + return nil, fmt.Errorf("too few bytes for size: %v", src[rp:]) + } + valueLen := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + ubr.Upper = src[rp : rp+valueLen] + rp += valueLen + } + + if len(src[rp:]) > 0 { + return nil, fmt.Errorf("unexpected trailing bytes parsing range: %v", len(src[rp:])) + } + + return ubr, nil + +} diff --git a/vendor/github.com/jackc/pgtype/record.go b/vendor/github.com/jackc/pgtype/record.go new file mode 100644 index 000000000..5cf2c93ab --- /dev/null +++ b/vendor/github.com/jackc/pgtype/record.go @@ -0,0 +1,126 @@ +package pgtype + +import ( + "fmt" + "reflect" +) + +// Record is the generic PostgreSQL record type such as is created with the +// "row" function. Record only implements BinaryDecoder and Value. The text +// format output format from PostgreSQL does not include type information and is +// therefore impossible to decode. No encoders are implemented because +// PostgreSQL does not support input of generic records. +type Record struct { + Fields []Value + Status Status +} + +func (dst *Record) Set(src interface{}) error { + if src == nil { + *dst = Record{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case []Value: + *dst = Record{Fields: value, Status: Present} + default: + return fmt.Errorf("cannot convert %v to Record", src) + } + + return nil +} + +func (dst Record) Get() interface{} { + switch dst.Status { + case Present: + return dst.Fields + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Record) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *[]Value: + *v = make([]Value, len(src.Fields)) + copy(*v, src.Fields) + return nil + case *[]interface{}: + *v = make([]interface{}, len(src.Fields)) + for i := range *v { + (*v)[i] = src.Fields[i].Get() + } + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func prepareNewBinaryDecoder(ci *ConnInfo, fieldOID uint32, v *Value) (BinaryDecoder, error) { + var binaryDecoder BinaryDecoder + + if dt, ok := ci.DataTypeForOID(fieldOID); ok { + binaryDecoder, _ = dt.Value.(BinaryDecoder) + } else { + return nil, fmt.Errorf("unknown oid while decoding record: %v", fieldOID) + } + + if binaryDecoder == nil { + return nil, fmt.Errorf("no binary decoder registered for: %v", fieldOID) + } + + // Duplicate struct to scan into + binaryDecoder = reflect.New(reflect.ValueOf(binaryDecoder).Elem().Type()).Interface().(BinaryDecoder) + *v = binaryDecoder.(Value) + return binaryDecoder, nil +} + +func (dst *Record) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Record{Status: Null} + return nil + } + + scanner := NewCompositeBinaryScanner(ci, src) + + fields := make([]Value, scanner.FieldCount()) + + for i := 0; scanner.Next(); i++ { + binaryDecoder, err := prepareNewBinaryDecoder(ci, scanner.OID(), &fields[i]) + if err != nil { + return err + } + + if err = binaryDecoder.DecodeBinary(ci, scanner.Bytes()); err != nil { + return err + } + } + + if scanner.Err() != nil { + return scanner.Err() + } + + *dst = Record{Fields: fields, Status: Present} + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/record_array.go b/vendor/github.com/jackc/pgtype/record_array.go new file mode 100644 index 000000000..2271717a5 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/record_array.go @@ -0,0 +1,318 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "encoding/binary" + "fmt" + "reflect" +) + +type RecordArray struct { + Elements []Record + Dimensions []ArrayDimension + Status Status +} + +func (dst *RecordArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = RecordArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case [][]Value: + if value == nil { + *dst = RecordArray{Status: Null} + } else if len(value) == 0 { + *dst = RecordArray{Status: Present} + } else { + elements := make([]Record, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = RecordArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Record: + if value == nil { + *dst = RecordArray{Status: Null} + } else if len(value) == 0 { + *dst = RecordArray{Status: Present} + } else { + *dst = RecordArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = RecordArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for RecordArray", src) + } + if elementsLength == 0 { + *dst = RecordArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to RecordArray", src) + } + + *dst = RecordArray{ + Elements: make([]Record, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Record, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to RecordArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *RecordArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to RecordArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in RecordArray", err) + } + index++ + + return index, nil +} + +func (dst RecordArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *RecordArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[][]Value: + *v = make([][]Value, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *RecordArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from RecordArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from RecordArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *RecordArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = RecordArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = RecordArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Record, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = RecordArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} diff --git a/vendor/github.com/jackc/pgtype/text.go b/vendor/github.com/jackc/pgtype/text.go new file mode 100644 index 000000000..a01815d94 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/text.go @@ -0,0 +1,212 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/json" + "fmt" +) + +type Text struct { + String string + Status Status +} + +func (dst *Text) Set(src interface{}) error { + if src == nil { + *dst = Text{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case string: + *dst = Text{String: value, Status: Present} + case *string: + if value == nil { + *dst = Text{Status: Null} + } else { + *dst = Text{String: *value, Status: Present} + } + case []byte: + if value == nil { + *dst = Text{Status: Null} + } else { + *dst = Text{String: string(value), Status: Present} + } + case fmt.Stringer: + if value == fmt.Stringer(nil) { + *dst = Text{Status: Null} + } else { + *dst = Text{String: value.String(), Status: Present} + } + default: + // Cannot be part of the switch: If Value() returns nil on + // non-string, we should still try to checks the underlying type + // using reflection. + // + // For example the struct might implement driver.Valuer with + // pointer receiver and fmt.Stringer with value receiver. + if value, ok := src.(driver.Valuer); ok { + if value == driver.Valuer(nil) { + *dst = Text{Status: Null} + return nil + } else { + v, err := value.Value() + if err != nil { + return fmt.Errorf("driver.Valuer Value() method failed: %w", err) + } + + // Handles also v == nil case. + if s, ok := v.(string); ok { + *dst = Text{String: s, Status: Present} + return nil + } + } + } + + if originalSrc, ok := underlyingStringType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Text", value) + } + + return nil +} + +func (dst Text) Get() interface{} { + switch dst.Status { + case Present: + return dst.String + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Text) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *string: + *v = src.String + return nil + case *[]byte: + *v = make([]byte, len(src.String)) + copy(*v, src.String) + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (Text) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *Text) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Text{Status: Null} + return nil + } + + *dst = Text{String: string(src), Status: Present} + return nil +} + +func (dst *Text) DecodeBinary(ci *ConnInfo, src []byte) error { + return dst.DecodeText(ci, src) +} + +func (Text) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (src Text) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.String...), nil +} + +func (src Text) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return src.EncodeText(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *Text) Scan(src interface{}) error { + if src == nil { + *dst = Text{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Text) Value() (driver.Value, error) { + switch src.Status { + case Present: + return src.String, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Text) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + return json.Marshal(src.String) + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + return nil, errBadStatus +} + +func (dst *Text) UnmarshalJSON(b []byte) error { + var s *string + err := json.Unmarshal(b, &s) + if err != nil { + return err + } + + if s == nil { + *dst = Text{Status: Null} + } else { + *dst = Text{String: *s, Status: Present} + } + + return nil +} diff --git a/vendor/github.com/jackc/pgtype/text_array.go b/vendor/github.com/jackc/pgtype/text_array.go new file mode 100644 index 000000000..2461966b3 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/text_array.go @@ -0,0 +1,517 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type TextArray struct { + Elements []Text + Dimensions []ArrayDimension + Status Status +} + +func (dst *TextArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = TextArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = TextArray{Status: Null} + } else if len(value) == 0 { + *dst = TextArray{Status: Present} + } else { + elements := make([]Text, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = TextArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*string: + if value == nil { + *dst = TextArray{Status: Null} + } else if len(value) == 0 { + *dst = TextArray{Status: Present} + } else { + elements := make([]Text, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = TextArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Text: + if value == nil { + *dst = TextArray{Status: Null} + } else if len(value) == 0 { + *dst = TextArray{Status: Present} + } else { + *dst = TextArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = TextArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for TextArray", src) + } + if elementsLength == 0 { + *dst = TextArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to TextArray", src) + } + + *dst = TextArray{ + Elements: make([]Text, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Text, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to TextArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *TextArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to TextArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in TextArray", err) + } + index++ + + return index, nil +} + +func (dst TextArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *TextArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*string: + *v = make([]*string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *TextArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from TextArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from TextArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *TextArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TextArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Text + + if len(uta.Elements) > 0 { + elements = make([]Text, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Text + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = TextArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *TextArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TextArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = TextArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Text, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = TextArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src TextArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src TextArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("text"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "text") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *TextArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src TextArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/tid.go b/vendor/github.com/jackc/pgtype/tid.go new file mode 100644 index 000000000..4bb57f643 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/tid.go @@ -0,0 +1,156 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "strconv" + "strings" + + "github.com/jackc/pgio" +) + +// TID is PostgreSQL's Tuple Identifier type. +// +// When one does +// +// select ctid, * from some_table; +// +// it is the data type of the ctid hidden system column. +// +// It is currently implemented as a pair unsigned two byte integers. +// Its conversion functions can be found in src/backend/utils/adt/tid.c +// in the PostgreSQL sources. +type TID struct { + BlockNumber uint32 + OffsetNumber uint16 + Status Status +} + +func (dst *TID) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to TID", src) +} + +func (dst TID) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *TID) AssignTo(dst interface{}) error { + if src.Status == Present { + switch v := dst.(type) { + case *string: + *v = fmt.Sprintf(`(%d,%d)`, src.BlockNumber, src.OffsetNumber) + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + } + + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *TID) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TID{Status: Null} + return nil + } + + if len(src) < 5 { + return fmt.Errorf("invalid length for tid: %v", len(src)) + } + + parts := strings.SplitN(string(src[1:len(src)-1]), ",", 2) + if len(parts) < 2 { + return fmt.Errorf("invalid format for tid") + } + + blockNumber, err := strconv.ParseUint(parts[0], 10, 32) + if err != nil { + return err + } + + offsetNumber, err := strconv.ParseUint(parts[1], 10, 16) + if err != nil { + return err + } + + *dst = TID{BlockNumber: uint32(blockNumber), OffsetNumber: uint16(offsetNumber), Status: Present} + return nil +} + +func (dst *TID) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TID{Status: Null} + return nil + } + + if len(src) != 6 { + return fmt.Errorf("invalid length for tid: %v", len(src)) + } + + *dst = TID{ + BlockNumber: binary.BigEndian.Uint32(src), + OffsetNumber: binary.BigEndian.Uint16(src[4:]), + Status: Present, + } + return nil +} + +func (src TID) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, fmt.Sprintf(`(%d,%d)`, src.BlockNumber, src.OffsetNumber)...) + return buf, nil +} + +func (src TID) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendUint32(buf, src.BlockNumber) + buf = pgio.AppendUint16(buf, src.OffsetNumber) + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *TID) Scan(src interface{}) error { + if src == nil { + *dst = TID{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src TID) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/time.go b/vendor/github.com/jackc/pgtype/time.go new file mode 100644 index 000000000..f7a28870a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/time.go @@ -0,0 +1,231 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "strconv" + "time" + + "github.com/jackc/pgio" +) + +// Time represents the PostgreSQL time type. The PostgreSQL time is a time of day without time zone. +// +// Time is represented as the number of microseconds since midnight in the same way that PostgreSQL does. Other time +// and date types in pgtype can use time.Time as the underlying representation. However, pgtype.Time type cannot due +// to needing to handle 24:00:00. time.Time converts that to 00:00:00 on the following day. +type Time struct { + Microseconds int64 // Number of microseconds since midnight + Status Status +} + +// Set converts src into a Time and stores in dst. +func (dst *Time) Set(src interface{}) error { + if src == nil { + *dst = Time{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case time.Time: + usec := int64(value.Hour())*microsecondsPerHour + + int64(value.Minute())*microsecondsPerMinute + + int64(value.Second())*microsecondsPerSecond + + int64(value.Nanosecond())/1000 + *dst = Time{Microseconds: usec, Status: Present} + case *time.Time: + if value == nil { + *dst = Time{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingTimeType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Time", value) + } + + return nil +} + +func (dst Time) Get() interface{} { + switch dst.Status { + case Present: + return dst.Microseconds + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Time) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *time.Time: + // 24:00:00 is max allowed time in PostgreSQL, but time.Time will normalize that to 00:00:00 the next day. + var maxRepresentableByTime int64 = 24*60*60*1000000 - 1 + if src.Microseconds > maxRepresentableByTime { + return fmt.Errorf("%d microseconds cannot be represented as time.Time", src.Microseconds) + } + + usec := src.Microseconds + hours := usec / microsecondsPerHour + usec -= hours * microsecondsPerHour + minutes := usec / microsecondsPerMinute + usec -= minutes * microsecondsPerMinute + seconds := usec / microsecondsPerSecond + usec -= seconds * microsecondsPerSecond + ns := usec * 1000 + *v = time.Date(2000, 1, 1, int(hours), int(minutes), int(seconds), int(ns), time.UTC) + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +// DecodeText decodes from src into dst. +func (dst *Time) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Time{Status: Null} + return nil + } + + s := string(src) + + if len(s) < 8 { + return fmt.Errorf("cannot decode %v into Time", s) + } + + hours, err := strconv.ParseInt(s[0:2], 10, 64) + if err != nil { + return fmt.Errorf("cannot decode %v into Time", s) + } + usec := hours * microsecondsPerHour + + minutes, err := strconv.ParseInt(s[3:5], 10, 64) + if err != nil { + return fmt.Errorf("cannot decode %v into Time", s) + } + usec += minutes * microsecondsPerMinute + + seconds, err := strconv.ParseInt(s[6:8], 10, 64) + if err != nil { + return fmt.Errorf("cannot decode %v into Time", s) + } + usec += seconds * microsecondsPerSecond + + if len(s) > 9 { + fraction := s[9:] + n, err := strconv.ParseInt(fraction, 10, 64) + if err != nil { + return fmt.Errorf("cannot decode %v into Time", s) + } + + for i := len(fraction); i < 6; i++ { + n *= 10 + } + + usec += n + } + + *dst = Time{Microseconds: usec, Status: Present} + + return nil +} + +// DecodeBinary decodes from src into dst. +func (dst *Time) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Time{Status: Null} + return nil + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for time: %v", len(src)) + } + + usec := int64(binary.BigEndian.Uint64(src)) + *dst = Time{Microseconds: usec, Status: Present} + + return nil +} + +// EncodeText writes the text encoding of src into w. +func (src Time) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + usec := src.Microseconds + hours := usec / microsecondsPerHour + usec -= hours * microsecondsPerHour + minutes := usec / microsecondsPerMinute + usec -= minutes * microsecondsPerMinute + seconds := usec / microsecondsPerSecond + usec -= seconds * microsecondsPerSecond + + s := fmt.Sprintf("%02d:%02d:%02d.%06d", hours, minutes, seconds, usec) + + return append(buf, s...), nil +} + +// EncodeBinary writes the binary encoding of src into w. If src.Time is not in +// the UTC time zone it returns an error. +func (src Time) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return pgio.AppendInt64(buf, src.Microseconds), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Time) Scan(src interface{}) error { + if src == nil { + *dst = Time{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + case time.Time: + return dst.Set(src) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Time) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/timestamp.go b/vendor/github.com/jackc/pgtype/timestamp.go new file mode 100644 index 000000000..fce490c83 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/timestamp.go @@ -0,0 +1,261 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "strings" + "time" + + "github.com/jackc/pgio" +) + +const pgTimestampFormat = "2006-01-02 15:04:05.999999999" + +// Timestamp represents the PostgreSQL timestamp type. The PostgreSQL +// timestamp does not have a time zone. This presents a problem when +// translating to and from time.Time which requires a time zone. It is highly +// recommended to use timestamptz whenever possible. Timestamp methods either +// convert to UTC or return an error on non-UTC times. +type Timestamp struct { + Time time.Time // Time must always be in UTC. + Status Status + InfinityModifier InfinityModifier +} + +// Set converts src into a Timestamp and stores in dst. If src is a +// time.Time in a non-UTC time zone, the time zone is discarded. +func (dst *Timestamp) Set(src interface{}) error { + if src == nil { + *dst = Timestamp{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case time.Time: + *dst = Timestamp{Time: time.Date(value.Year(), value.Month(), value.Day(), value.Hour(), value.Minute(), value.Second(), value.Nanosecond(), time.UTC), Status: Present} + case *time.Time: + if value == nil { + *dst = Timestamp{Status: Null} + } else { + return dst.Set(*value) + } + case string: + return dst.DecodeText(nil, []byte(value)) + case *string: + if value == nil { + *dst = Timestamp{Status: Null} + } else { + return dst.Set(*value) + } + case InfinityModifier: + *dst = Timestamp{InfinityModifier: value, Status: Present} + default: + if originalSrc, ok := underlyingTimeType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Timestamp", value) + } + + return nil +} + +func (dst Timestamp) Get() interface{} { + switch dst.Status { + case Present: + if dst.InfinityModifier != None { + return dst.InfinityModifier + } + return dst.Time + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Timestamp) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *time.Time: + if src.InfinityModifier != None { + return fmt.Errorf("cannot assign %v to %T", src, dst) + } + *v = src.Time + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +// DecodeText decodes from src into dst. The decoded time is considered to +// be in UTC. +func (dst *Timestamp) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Timestamp{Status: Null} + return nil + } + + sbuf := string(src) + switch sbuf { + case "infinity": + *dst = Timestamp{Status: Present, InfinityModifier: Infinity} + case "-infinity": + *dst = Timestamp{Status: Present, InfinityModifier: -Infinity} + default: + if strings.HasSuffix(sbuf, " BC") { + t, err := time.Parse(pgTimestampFormat, strings.TrimRight(sbuf, " BC")) + t2 := time.Date(1-t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), t.Location()) + if err != nil { + return err + } + *dst = Timestamp{Time: t2, Status: Present} + return nil + } + tim, err := time.Parse(pgTimestampFormat, sbuf) + if err != nil { + return err + } + + *dst = Timestamp{Time: tim, Status: Present} + } + + return nil +} + +// DecodeBinary decodes from src into dst. The decoded time is considered to +// be in UTC. +func (dst *Timestamp) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Timestamp{Status: Null} + return nil + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for timestamp: %v", len(src)) + } + + microsecSinceY2K := int64(binary.BigEndian.Uint64(src)) + + switch microsecSinceY2K { + case infinityMicrosecondOffset: + *dst = Timestamp{Status: Present, InfinityModifier: Infinity} + case negativeInfinityMicrosecondOffset: + *dst = Timestamp{Status: Present, InfinityModifier: -Infinity} + default: + tim := time.Unix( + microsecFromUnixEpochToY2K/1000000+microsecSinceY2K/1000000, + (microsecFromUnixEpochToY2K%1000000*1000)+(microsecSinceY2K%1000000*1000), + ).UTC() + *dst = Timestamp{Time: tim, Status: Present} + } + + return nil +} + +// EncodeText writes the text encoding of src into w. If src.Time is not in +// the UTC time zone it returns an error. +func (src Timestamp) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + if src.Time.Location() != time.UTC { + return nil, fmt.Errorf("cannot encode non-UTC time into timestamp") + } + + var s string + + switch src.InfinityModifier { + case None: + s = src.Time.Truncate(time.Microsecond).Format(pgTimestampFormat) + case Infinity: + s = "infinity" + case NegativeInfinity: + s = "-infinity" + } + + return append(buf, s...), nil +} + +// EncodeBinary writes the binary encoding of src into w. If src.Time is not in +// the UTC time zone it returns an error. +func (src Timestamp) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + if src.Time.Location() != time.UTC { + return nil, fmt.Errorf("cannot encode non-UTC time into timestamp") + } + + var microsecSinceY2K int64 + switch src.InfinityModifier { + case None: + microsecSinceUnixEpoch := src.Time.Unix()*1000000 + int64(src.Time.Nanosecond())/1000 + microsecSinceY2K = microsecSinceUnixEpoch - microsecFromUnixEpochToY2K + case Infinity: + microsecSinceY2K = infinityMicrosecondOffset + case NegativeInfinity: + microsecSinceY2K = negativeInfinityMicrosecondOffset + } + + return pgio.AppendInt64(buf, microsecSinceY2K), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Timestamp) Scan(src interface{}) error { + if src == nil { + *dst = Timestamp{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + case time.Time: + *dst = Timestamp{Time: src, Status: Present} + return nil + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Timestamp) Value() (driver.Value, error) { + switch src.Status { + case Present: + if src.InfinityModifier != None { + return src.InfinityModifier.String(), nil + } + return src.Time, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} diff --git a/vendor/github.com/jackc/pgtype/timestamp_array.go b/vendor/github.com/jackc/pgtype/timestamp_array.go new file mode 100644 index 000000000..e12481e3d --- /dev/null +++ b/vendor/github.com/jackc/pgtype/timestamp_array.go @@ -0,0 +1,518 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + "time" + + "github.com/jackc/pgio" +) + +type TimestampArray struct { + Elements []Timestamp + Dimensions []ArrayDimension + Status Status +} + +func (dst *TimestampArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = TimestampArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []time.Time: + if value == nil { + *dst = TimestampArray{Status: Null} + } else if len(value) == 0 { + *dst = TimestampArray{Status: Present} + } else { + elements := make([]Timestamp, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = TimestampArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*time.Time: + if value == nil { + *dst = TimestampArray{Status: Null} + } else if len(value) == 0 { + *dst = TimestampArray{Status: Present} + } else { + elements := make([]Timestamp, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = TimestampArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Timestamp: + if value == nil { + *dst = TimestampArray{Status: Null} + } else if len(value) == 0 { + *dst = TimestampArray{Status: Present} + } else { + *dst = TimestampArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = TimestampArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for TimestampArray", src) + } + if elementsLength == 0 { + *dst = TimestampArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to TimestampArray", src) + } + + *dst = TimestampArray{ + Elements: make([]Timestamp, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Timestamp, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to TimestampArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *TimestampArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to TimestampArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in TimestampArray", err) + } + index++ + + return index, nil +} + +func (dst TimestampArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *TimestampArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]time.Time: + *v = make([]time.Time, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*time.Time: + *v = make([]*time.Time, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *TimestampArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from TimestampArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from TimestampArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *TimestampArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TimestampArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Timestamp + + if len(uta.Elements) > 0 { + elements = make([]Timestamp, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Timestamp + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = TimestampArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *TimestampArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TimestampArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = TimestampArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Timestamp, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = TimestampArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src TimestampArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src TimestampArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("timestamp"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "timestamp") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *TimestampArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src TimestampArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/timestamptz.go b/vendor/github.com/jackc/pgtype/timestamptz.go new file mode 100644 index 000000000..72ae4991d --- /dev/null +++ b/vendor/github.com/jackc/pgtype/timestamptz.go @@ -0,0 +1,322 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "encoding/json" + "fmt" + "time" + + "github.com/jackc/pgio" +) + +const pgTimestamptzHourFormat = "2006-01-02 15:04:05.999999999Z07" +const pgTimestamptzMinuteFormat = "2006-01-02 15:04:05.999999999Z07:00" +const pgTimestamptzSecondFormat = "2006-01-02 15:04:05.999999999Z07:00:00" +const microsecFromUnixEpochToY2K = 946684800 * 1000000 + +const ( + negativeInfinityMicrosecondOffset = -9223372036854775808 + infinityMicrosecondOffset = 9223372036854775807 +) + +type Timestamptz struct { + Time time.Time + Status Status + InfinityModifier InfinityModifier +} + +func (dst *Timestamptz) Set(src interface{}) error { + if src == nil { + *dst = Timestamptz{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + switch value := src.(type) { + case time.Time: + *dst = Timestamptz{Time: value, Status: Present} + case *time.Time: + if value == nil { + *dst = Timestamptz{Status: Null} + } else { + return dst.Set(*value) + } + case string: + return dst.DecodeText(nil, []byte(value)) + case *string: + if value == nil { + *dst = Timestamptz{Status: Null} + } else { + return dst.Set(*value) + } + case InfinityModifier: + *dst = Timestamptz{InfinityModifier: value, Status: Present} + default: + if originalSrc, ok := underlyingTimeType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to Timestamptz", value) + } + + return nil +} + +func (dst Timestamptz) Get() interface{} { + switch dst.Status { + case Present: + if dst.InfinityModifier != None { + return dst.InfinityModifier + } + return dst.Time + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Timestamptz) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *time.Time: + if src.InfinityModifier != None { + return fmt.Errorf("cannot assign %v to %T", src, dst) + } + *v = src.Time + return nil + default: + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + return fmt.Errorf("unable to assign to %T", dst) + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (dst *Timestamptz) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Timestamptz{Status: Null} + return nil + } + + sbuf := string(src) + switch sbuf { + case "infinity": + *dst = Timestamptz{Status: Present, InfinityModifier: Infinity} + case "-infinity": + *dst = Timestamptz{Status: Present, InfinityModifier: -Infinity} + default: + var format string + if len(sbuf) >= 9 && (sbuf[len(sbuf)-9] == '-' || sbuf[len(sbuf)-9] == '+') { + format = pgTimestamptzSecondFormat + } else if len(sbuf) >= 6 && (sbuf[len(sbuf)-6] == '-' || sbuf[len(sbuf)-6] == '+') { + format = pgTimestamptzMinuteFormat + } else { + format = pgTimestamptzHourFormat + } + + tim, err := time.Parse(format, sbuf) + if err != nil { + return err + } + + *dst = Timestamptz{Time: normalizePotentialUTC(tim), Status: Present} + } + + return nil +} + +func (dst *Timestamptz) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Timestamptz{Status: Null} + return nil + } + + if len(src) != 8 { + return fmt.Errorf("invalid length for timestamptz: %v", len(src)) + } + + microsecSinceY2K := int64(binary.BigEndian.Uint64(src)) + + switch microsecSinceY2K { + case infinityMicrosecondOffset: + *dst = Timestamptz{Status: Present, InfinityModifier: Infinity} + case negativeInfinityMicrosecondOffset: + *dst = Timestamptz{Status: Present, InfinityModifier: -Infinity} + default: + tim := time.Unix( + microsecFromUnixEpochToY2K/1000000+microsecSinceY2K/1000000, + (microsecFromUnixEpochToY2K%1000000*1000)+(microsecSinceY2K%1000000*1000), + ) + *dst = Timestamptz{Time: tim, Status: Present} + } + + return nil +} + +func (src Timestamptz) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var s string + + switch src.InfinityModifier { + case None: + s = src.Time.UTC().Truncate(time.Microsecond).Format(pgTimestamptzSecondFormat) + case Infinity: + s = "infinity" + case NegativeInfinity: + s = "-infinity" + } + + return append(buf, s...), nil +} + +func (src Timestamptz) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var microsecSinceY2K int64 + switch src.InfinityModifier { + case None: + microsecSinceUnixEpoch := src.Time.Unix()*1000000 + int64(src.Time.Nanosecond())/1000 + microsecSinceY2K = microsecSinceUnixEpoch - microsecFromUnixEpochToY2K + case Infinity: + microsecSinceY2K = infinityMicrosecondOffset + case NegativeInfinity: + microsecSinceY2K = negativeInfinityMicrosecondOffset + } + + return pgio.AppendInt64(buf, microsecSinceY2K), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Timestamptz) Scan(src interface{}) error { + if src == nil { + *dst = Timestamptz{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + case time.Time: + *dst = Timestamptz{Time: src, Status: Present} + return nil + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Timestamptz) Value() (driver.Value, error) { + switch src.Status { + case Present: + if src.InfinityModifier != None { + return src.InfinityModifier.String(), nil + } + if src.Time.Location().String() == time.UTC.String() { + return src.Time.UTC(), nil + } + return src.Time, nil + case Null: + return nil, nil + default: + return nil, errUndefined + } +} + +func (src Timestamptz) MarshalJSON() ([]byte, error) { + switch src.Status { + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + + if src.Status != Present { + return nil, errBadStatus + } + + var s string + + switch src.InfinityModifier { + case None: + s = src.Time.Format(time.RFC3339Nano) + case Infinity: + s = "infinity" + case NegativeInfinity: + s = "-infinity" + } + + return json.Marshal(s) +} + +func (dst *Timestamptz) UnmarshalJSON(b []byte) error { + var s *string + err := json.Unmarshal(b, &s) + if err != nil { + return err + } + + if s == nil { + *dst = Timestamptz{Status: Null} + return nil + } + + switch *s { + case "infinity": + *dst = Timestamptz{Status: Present, InfinityModifier: Infinity} + case "-infinity": + *dst = Timestamptz{Status: Present, InfinityModifier: -Infinity} + default: + // PostgreSQL uses ISO 8601 for to_json function and casting from a string to timestamptz + tim, err := time.Parse(time.RFC3339Nano, *s) + if err != nil { + return err + } + + *dst = Timestamptz{Time: normalizePotentialUTC(tim), Status: Present} + } + + return nil +} + +// Normalize timestamps in UTC location to behave similarly to how the Golang +// standard library does it: UTC timestamps lack a .loc value. +// +// Reason for this: when comparing two timestamps with reflect.DeepEqual (generally +// speaking not a good idea, but several testing libraries (for example testify) +// does this), their location data needs to be equal for them to be considered +// equal. +func normalizePotentialUTC(timestamp time.Time) time.Time { + if timestamp.Location().String() != time.UTC.String() { + return timestamp + } + + return timestamp.UTC() +} diff --git a/vendor/github.com/jackc/pgtype/timestamptz_array.go b/vendor/github.com/jackc/pgtype/timestamptz_array.go new file mode 100644 index 000000000..a3b4b263d --- /dev/null +++ b/vendor/github.com/jackc/pgtype/timestamptz_array.go @@ -0,0 +1,518 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + "time" + + "github.com/jackc/pgio" +) + +type TimestamptzArray struct { + Elements []Timestamptz + Dimensions []ArrayDimension + Status Status +} + +func (dst *TimestamptzArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = TimestamptzArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []time.Time: + if value == nil { + *dst = TimestamptzArray{Status: Null} + } else if len(value) == 0 { + *dst = TimestamptzArray{Status: Present} + } else { + elements := make([]Timestamptz, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = TimestamptzArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*time.Time: + if value == nil { + *dst = TimestamptzArray{Status: Null} + } else if len(value) == 0 { + *dst = TimestamptzArray{Status: Present} + } else { + elements := make([]Timestamptz, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = TimestamptzArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Timestamptz: + if value == nil { + *dst = TimestamptzArray{Status: Null} + } else if len(value) == 0 { + *dst = TimestamptzArray{Status: Present} + } else { + *dst = TimestamptzArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = TimestamptzArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for TimestamptzArray", src) + } + if elementsLength == 0 { + *dst = TimestamptzArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to TimestamptzArray", src) + } + + *dst = TimestamptzArray{ + Elements: make([]Timestamptz, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Timestamptz, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to TimestamptzArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *TimestamptzArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to TimestamptzArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in TimestamptzArray", err) + } + index++ + + return index, nil +} + +func (dst TimestamptzArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *TimestamptzArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]time.Time: + *v = make([]time.Time, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*time.Time: + *v = make([]*time.Time, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *TimestamptzArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from TimestamptzArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from TimestamptzArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *TimestamptzArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TimestamptzArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Timestamptz + + if len(uta.Elements) > 0 { + elements = make([]Timestamptz, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Timestamptz + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = TimestamptzArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *TimestamptzArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TimestamptzArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = TimestamptzArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Timestamptz, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = TimestamptzArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src TimestamptzArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src TimestamptzArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("timestamptz"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "timestamptz") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *TimestamptzArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src TimestamptzArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/tsrange.go b/vendor/github.com/jackc/pgtype/tsrange.go new file mode 100644 index 000000000..19ecf446a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/tsrange.go @@ -0,0 +1,267 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + + "github.com/jackc/pgio" +) + +type Tsrange struct { + Lower Timestamp + Upper Timestamp + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *Tsrange) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Tsrange{Status: Null} + return nil + } + + switch value := src.(type) { + case Tsrange: + *dst = value + case *Tsrange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to Tsrange", src) + } + + return nil +} + +func (dst Tsrange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Tsrange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Tsrange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Tsrange{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = Tsrange{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *Tsrange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Tsrange{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = Tsrange{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src Tsrange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src Tsrange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Tsrange) Scan(src interface{}) error { + if src == nil { + *dst = Tsrange{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Tsrange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/tsrange_array.go b/vendor/github.com/jackc/pgtype/tsrange_array.go new file mode 100644 index 000000000..c64048eb0 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/tsrange_array.go @@ -0,0 +1,470 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type TsrangeArray struct { + Elements []Tsrange + Dimensions []ArrayDimension + Status Status +} + +func (dst *TsrangeArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = TsrangeArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []Tsrange: + if value == nil { + *dst = TsrangeArray{Status: Null} + } else if len(value) == 0 { + *dst = TsrangeArray{Status: Present} + } else { + *dst = TsrangeArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = TsrangeArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for TsrangeArray", src) + } + if elementsLength == 0 { + *dst = TsrangeArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to TsrangeArray", src) + } + + *dst = TsrangeArray{ + Elements: make([]Tsrange, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Tsrange, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to TsrangeArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *TsrangeArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to TsrangeArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in TsrangeArray", err) + } + index++ + + return index, nil +} + +func (dst TsrangeArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *TsrangeArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]Tsrange: + *v = make([]Tsrange, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *TsrangeArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from TsrangeArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from TsrangeArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *TsrangeArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TsrangeArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Tsrange + + if len(uta.Elements) > 0 { + elements = make([]Tsrange, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Tsrange + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = TsrangeArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *TsrangeArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TsrangeArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = TsrangeArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Tsrange, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = TsrangeArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src TsrangeArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src TsrangeArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("tsrange"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "tsrange") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *TsrangeArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src TsrangeArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/tstzrange.go b/vendor/github.com/jackc/pgtype/tstzrange.go new file mode 100644 index 000000000..255763081 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/tstzrange.go @@ -0,0 +1,267 @@ +package pgtype + +import ( + "database/sql/driver" + "fmt" + + "github.com/jackc/pgio" +) + +type Tstzrange struct { + Lower Timestamptz + Upper Timestamptz + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *Tstzrange) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = Tstzrange{Status: Null} + return nil + } + + switch value := src.(type) { + case Tstzrange: + *dst = value + case *Tstzrange: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to Tstzrange", src) + } + + return nil +} + +func (dst Tstzrange) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Tstzrange) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Tstzrange) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Tstzrange{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = Tstzrange{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *Tstzrange) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Tstzrange{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = Tstzrange{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src Tstzrange) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src Tstzrange) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Tstzrange) Scan(src interface{}) error { + if src == nil { + *dst = Tstzrange{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Tstzrange) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/tstzrange_array.go b/vendor/github.com/jackc/pgtype/tstzrange_array.go new file mode 100644 index 000000000..a216820a3 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/tstzrange_array.go @@ -0,0 +1,470 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type TstzrangeArray struct { + Elements []Tstzrange + Dimensions []ArrayDimension + Status Status +} + +func (dst *TstzrangeArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = TstzrangeArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []Tstzrange: + if value == nil { + *dst = TstzrangeArray{Status: Null} + } else if len(value) == 0 { + *dst = TstzrangeArray{Status: Present} + } else { + *dst = TstzrangeArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = TstzrangeArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for TstzrangeArray", src) + } + if elementsLength == 0 { + *dst = TstzrangeArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to TstzrangeArray", src) + } + + *dst = TstzrangeArray{ + Elements: make([]Tstzrange, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Tstzrange, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to TstzrangeArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *TstzrangeArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to TstzrangeArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in TstzrangeArray", err) + } + index++ + + return index, nil +} + +func (dst TstzrangeArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *TstzrangeArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]Tstzrange: + *v = make([]Tstzrange, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *TstzrangeArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from TstzrangeArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from TstzrangeArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *TstzrangeArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TstzrangeArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Tstzrange + + if len(uta.Elements) > 0 { + elements = make([]Tstzrange, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Tstzrange + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = TstzrangeArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *TstzrangeArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = TstzrangeArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = TstzrangeArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Tstzrange, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = TstzrangeArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src TstzrangeArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src TstzrangeArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("tstzrange"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "tstzrange") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *TstzrangeArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src TstzrangeArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/typed_array.go.erb b/vendor/github.com/jackc/pgtype/typed_array.go.erb new file mode 100644 index 000000000..e8433c043 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/typed_array.go.erb @@ -0,0 +1,512 @@ +// Code generated by erb. DO NOT EDIT. + +<% + # defaults when not explicitly set on command line + + binary_format ||= "true" + text_format ||= "true" + + text_null ||= "NULL" + + encode_binary ||= binary_format + decode_binary ||= binary_format +%> + +package pgtype + +import ( + "bytes" + "fmt" + "io" + + "github.com/jackc/pgio" +) + +type <%= pgtype_array_type %> struct { + Elements []<%= pgtype_element_type %> + Dimensions []ArrayDimension + Status Status +} + +func (dst *<%= pgtype_array_type %>) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = <%= pgtype_array_type %>{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + <% go_array_types.split(",").each do |t| %> + <% if t != "[]#{pgtype_element_type}" %> + case <%= t %>: + if value == nil { + *dst = <%= pgtype_array_type %>{Status: Null} + } else if len(value) == 0 { + *dst = <%= pgtype_array_type %>{Status: Present} + } else { + elements := make([]<%= pgtype_element_type %>, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = <%= pgtype_array_type %>{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + <% end %> + <% end %> + case []<%= pgtype_element_type %>: + if value == nil { + *dst = <%= pgtype_array_type %>{Status: Null} + } else if len(value) == 0 { + *dst = <%= pgtype_array_type %>{Status: Present} + } else { + *dst = <%= pgtype_array_type %>{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status : Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = <%= pgtype_array_type %>{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for <%= pgtype_array_type %>", src) + } + if elementsLength == 0 { + *dst = <%= pgtype_array_type %>{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to <%= pgtype_array_type %>", src) + } + + *dst = <%= pgtype_array_type %> { + Elements: make([]<%= pgtype_element_type %>, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]<%= pgtype_element_type %>, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to <%= pgtype_array_type %>, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *<%= pgtype_array_type %>) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to <%= pgtype_array_type %>") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in <%= pgtype_array_type %>", err) + } + index++ + + return index, nil +} + +func (dst <%= pgtype_array_type %>) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *<%= pgtype_array_type %>) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1{ + // Attempt to match to select common types: + switch v := dst.(type) { + <% go_array_types.split(",").each do |t| %> + case *<%= t %>: + *v = make(<%= t %>, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + <% end %> + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *<%= pgtype_array_type %>) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr(){ + return 0, fmt.Errorf("cannot assign all values from <%= pgtype_array_type %>") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from <%= pgtype_array_type %>") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +<% if text_format == "true" %> +func (dst *<%= pgtype_array_type %>) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = <%= pgtype_array_type %>{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []<%= pgtype_element_type %> + + if len(uta.Elements) > 0 { + elements = make([]<%= pgtype_element_type %>, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem <%= pgtype_element_type %> + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = <%= pgtype_array_type %>{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} +<% end %> + +<% if decode_binary == "true" %> +func (dst *<%= pgtype_array_type %>) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = <%= pgtype_array_type %>{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = <%= pgtype_array_type %>{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]<%= pgtype_element_type %>, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp:rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = <%= pgtype_array_type %>{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} +<% end %> + +<% if text_format == "true" %> +func (src <%= pgtype_array_type %>) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `<%= text_null %>`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} +<% end %> + +<% if encode_binary == "true" %> + func (src <%= pgtype_array_type %>) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("<%= element_type_name %>"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "<%= element_type_name %>") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil + } +<% end %> + +<% if text_format == "true" %> +// Scan implements the database/sql Scanner interface. +func (dst *<%= pgtype_array_type %>) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src <%= pgtype_array_type %>) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} +<% end %> diff --git a/vendor/github.com/jackc/pgtype/typed_array_gen.sh b/vendor/github.com/jackc/pgtype/typed_array_gen.sh new file mode 100644 index 000000000..9ec768bf1 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/typed_array_gen.sh @@ -0,0 +1,31 @@ +erb pgtype_array_type=Int2Array pgtype_element_type=Int2 go_array_types=[]int16,[]*int16,[]uint16,[]*uint16,[]int32,[]*int32,[]uint32,[]*uint32,[]int64,[]*int64,[]uint64,[]*uint64,[]int,[]*int,[]uint,[]*uint element_type_name=int2 typed_array.go.erb > int2_array.go +erb pgtype_array_type=Int4Array pgtype_element_type=Int4 go_array_types=[]int16,[]*int16,[]uint16,[]*uint16,[]int32,[]*int32,[]uint32,[]*uint32,[]int64,[]*int64,[]uint64,[]*uint64,[]int,[]*int,[]uint,[]*uint element_type_name=int4 typed_array.go.erb > int4_array.go +erb pgtype_array_type=Int8Array pgtype_element_type=Int8 go_array_types=[]int16,[]*int16,[]uint16,[]*uint16,[]int32,[]*int32,[]uint32,[]*uint32,[]int64,[]*int64,[]uint64,[]*uint64,[]int,[]*int,[]uint,[]*uint element_type_name=int8 typed_array.go.erb > int8_array.go +erb pgtype_array_type=BoolArray pgtype_element_type=Bool go_array_types=[]bool,[]*bool element_type_name=bool typed_array.go.erb > bool_array.go +erb pgtype_array_type=DateArray pgtype_element_type=Date go_array_types=[]time.Time,[]*time.Time element_type_name=date typed_array.go.erb > date_array.go +erb pgtype_array_type=TimestamptzArray pgtype_element_type=Timestamptz go_array_types=[]time.Time,[]*time.Time element_type_name=timestamptz typed_array.go.erb > timestamptz_array.go +erb pgtype_array_type=TstzrangeArray pgtype_element_type=Tstzrange go_array_types=[]Tstzrange element_type_name=tstzrange typed_array.go.erb > tstzrange_array.go +erb pgtype_array_type=TsrangeArray pgtype_element_type=Tsrange go_array_types=[]Tsrange element_type_name=tsrange typed_array.go.erb > tsrange_array.go +erb pgtype_array_type=TimestampArray pgtype_element_type=Timestamp go_array_types=[]time.Time,[]*time.Time element_type_name=timestamp typed_array.go.erb > timestamp_array.go +erb pgtype_array_type=Float4Array pgtype_element_type=Float4 go_array_types=[]float32,[]*float32 element_type_name=float4 typed_array.go.erb > float4_array.go +erb pgtype_array_type=Float8Array pgtype_element_type=Float8 go_array_types=[]float64,[]*float64 element_type_name=float8 typed_array.go.erb > float8_array.go +erb pgtype_array_type=InetArray pgtype_element_type=Inet go_array_types=[]*net.IPNet,[]net.IP,[]*net.IP element_type_name=inet typed_array.go.erb > inet_array.go +erb pgtype_array_type=MacaddrArray pgtype_element_type=Macaddr go_array_types=[]net.HardwareAddr,[]*net.HardwareAddr element_type_name=macaddr typed_array.go.erb > macaddr_array.go +erb pgtype_array_type=CIDRArray pgtype_element_type=CIDR go_array_types=[]*net.IPNet,[]net.IP,[]*net.IP element_type_name=cidr typed_array.go.erb > cidr_array.go +erb pgtype_array_type=TextArray pgtype_element_type=Text go_array_types=[]string,[]*string element_type_name=text typed_array.go.erb > text_array.go +erb pgtype_array_type=VarcharArray pgtype_element_type=Varchar go_array_types=[]string,[]*string element_type_name=varchar typed_array.go.erb > varchar_array.go +erb pgtype_array_type=BPCharArray pgtype_element_type=BPChar go_array_types=[]string,[]*string element_type_name=bpchar typed_array.go.erb > bpchar_array.go +erb pgtype_array_type=ByteaArray pgtype_element_type=Bytea go_array_types=[][]byte element_type_name=bytea typed_array.go.erb > bytea_array.go +erb pgtype_array_type=ACLItemArray pgtype_element_type=ACLItem go_array_types=[]string,[]*string element_type_name=aclitem binary_format=false typed_array.go.erb > aclitem_array.go +erb pgtype_array_type=HstoreArray pgtype_element_type=Hstore go_array_types=[]map[string]string element_type_name=hstore typed_array.go.erb > hstore_array.go +erb pgtype_array_type=NumericArray pgtype_element_type=Numeric go_array_types=[]float32,[]*float32,[]float64,[]*float64,[]int64,[]*int64,[]uint64,[]*uint64 element_type_name=numeric typed_array.go.erb > numeric_array.go +erb pgtype_array_type=UUIDArray pgtype_element_type=UUID go_array_types=[][16]byte,[][]byte,[]string,[]*string element_type_name=uuid typed_array.go.erb > uuid_array.go +erb pgtype_array_type=JSONArray pgtype_element_type=JSON go_array_types=[]string,[][]byte,[]json.RawMessage element_type_name=json typed_array.go.erb > json_array.go +erb pgtype_array_type=JSONBArray pgtype_element_type=JSONB go_array_types=[]string,[][]byte,[]json.RawMessage element_type_name=jsonb typed_array.go.erb > jsonb_array.go + +# While the binary format is theoretically possible it is only practical to use the text format. +erb pgtype_array_type=EnumArray pgtype_element_type=GenericText go_array_types=[]string,[]*string binary_format=false typed_array.go.erb > enum_array.go + +erb pgtype_array_type=RecordArray pgtype_element_type=Record go_array_types=[][]Value element_type_name=record text_null=NULL encode_binary=false text_format=false typed_array.go.erb > record_array.go + +goimports -w *_array.go diff --git a/vendor/github.com/jackc/pgtype/typed_multirange.go.erb b/vendor/github.com/jackc/pgtype/typed_multirange.go.erb new file mode 100644 index 000000000..84c8299fa --- /dev/null +++ b/vendor/github.com/jackc/pgtype/typed_multirange.go.erb @@ -0,0 +1,239 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + + "github.com/jackc/pgio" +) + +type <%= multirange_type %> struct { + Ranges []<%= range_type %> + Status Status +} + +func (dst *<%= multirange_type %>) Set(src interface{}) error { + //untyped nil and typed nil interfaces are different + if src == nil { + *dst = <%= multirange_type %>{Status: Null} + return nil + } + + switch value := src.(type) { + case <%= multirange_type %>: + *dst = value + case *<%= multirange_type %>: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + case []<%= range_type %>: + if value == nil { + *dst = <%= multirange_type %>{Status: Null} + } else if len(value) == 0 { + *dst = <%= multirange_type %>{Status: Present} + } else { + elements := make([]<%= range_type %>, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = <%= multirange_type %>{ + Ranges: elements, + Status: Present, + } + } + case []*<%= range_type %>: + if value == nil { + *dst = <%= multirange_type %>{Status: Null} + } else if len(value) == 0 { + *dst = <%= multirange_type %>{Status: Present} + } else { + elements := make([]<%= range_type %>, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = <%= multirange_type %>{ + Ranges: elements, + Status: Present, + } + } + default: + return fmt.Errorf("cannot convert %v to <%= multirange_type %>", src) + } + + return nil + +} + +func (dst <%= multirange_type %>) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *<%= multirange_type %>) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *<%= multirange_type %>) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = <%= multirange_type %>{Status: Null} + return nil + } + + utmr, err := ParseUntypedTextMultirange(string(src)) + if err != nil { + return err + } + + var elements []<%= range_type %> + + if len(utmr.Elements) > 0 { + elements = make([]<%= range_type %>, len(utmr.Elements)) + + for i, s := range utmr.Elements { + var elem <%= range_type %> + + elemSrc := []byte(s) + + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = <%= multirange_type %>{Ranges: elements, Status: Present} + + return nil +} + +func (dst *<%= multirange_type %>) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = <%= multirange_type %>{Status: Null} + return nil + } + + rp := 0 + + numElems := int(binary.BigEndian.Uint32(src[rp:])) + rp += 4 + + if numElems == 0 { + *dst = <%= multirange_type %>{Status: Present} + return nil + } + + elements := make([]<%= range_type %>, numElems) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err := elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = <%= multirange_type %>{Ranges: elements, Status: Present} + return nil +} + +func (src <%= multirange_type %>) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = append(buf, '{') + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Ranges { + if i > 0 { + buf = append(buf, ',') + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + return nil, fmt.Errorf("multi-range does not allow null range") + } else { + buf = append(buf, string(elemBuf)...) + } + + } + + buf = append(buf, '}') + + return buf, nil +} + +func (src <%= multirange_type %>) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, int32(len(src.Ranges))) + + for i := range src.Ranges { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Ranges[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *<%= multirange_type %>) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src <%= multirange_type %>) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/typed_multirange_gen.sh b/vendor/github.com/jackc/pgtype/typed_multirange_gen.sh new file mode 100644 index 000000000..610f40a1e --- /dev/null +++ b/vendor/github.com/jackc/pgtype/typed_multirange_gen.sh @@ -0,0 +1,8 @@ +erb range_type=Numrange multirange_type=Nummultirange typed_multirange.go.erb > num_multirange.go +erb range_type=Int4range multirange_type=Int4multirange typed_multirange.go.erb > int4_multirange.go +erb range_type=Int8range multirange_type=Int8multirange typed_multirange.go.erb > int8_multirange.go +# TODO +# erb range_type=Tsrange multirange_type=Tsmultirange typed_multirange.go.erb > ts_multirange.go +# erb range_type=Tstzrange multirange_type=Tstzmultirange typed_multirange.go.erb > tstz_multirange.go +# erb range_type=Daterange multirange_type=Datemultirange typed_multirange.go.erb > date_multirange.go +goimports -w *multirange.go \ No newline at end of file diff --git a/vendor/github.com/jackc/pgtype/typed_range.go.erb b/vendor/github.com/jackc/pgtype/typed_range.go.erb new file mode 100644 index 000000000..5625587ae --- /dev/null +++ b/vendor/github.com/jackc/pgtype/typed_range.go.erb @@ -0,0 +1,269 @@ +package pgtype + +import ( + "bytes" + "database/sql/driver" + "fmt" + "io" + + "github.com/jackc/pgio" +) + +type <%= range_type %> struct { + Lower <%= element_type %> + Upper <%= element_type %> + LowerType BoundType + UpperType BoundType + Status Status +} + +func (dst *<%= range_type %>) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = <%= range_type %>{Status: Null} + return nil + } + + switch value := src.(type) { + case <%= range_type %>: + *dst = value + case *<%= range_type %>: + *dst = *value + case string: + return dst.DecodeText(nil, []byte(value)) + default: + return fmt.Errorf("cannot convert %v to <%= range_type %>", src) + } + + return nil +} + +func (dst <%= range_type %>) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *<%= range_type %>) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *<%= range_type %>) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = <%= range_type %>{Status: Null} + return nil + } + + utr, err := ParseUntypedTextRange(string(src)) + if err != nil { + return err + } + + *dst = <%= range_type %>{Status: Present} + + dst.LowerType = utr.LowerType + dst.UpperType = utr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeText(ci, []byte(utr.Lower)); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeText(ci, []byte(utr.Upper)); err != nil { + return err + } + } + + return nil +} + +func (dst *<%= range_type %>) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = <%= range_type %>{Status: Null} + return nil + } + + ubr, err := ParseUntypedBinaryRange(src) + if err != nil { + return err + } + + *dst = <%= range_type %>{Status: Present} + + dst.LowerType = ubr.LowerType + dst.UpperType = ubr.UpperType + + if dst.LowerType == Empty { + return nil + } + + if dst.LowerType == Inclusive || dst.LowerType == Exclusive { + if err := dst.Lower.DecodeBinary(ci, ubr.Lower); err != nil { + return err + } + } + + if dst.UpperType == Inclusive || dst.UpperType == Exclusive { + if err := dst.Upper.DecodeBinary(ci, ubr.Upper); err != nil { + return err + } + } + + return nil +} + +func (src <%= range_type %>) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + switch src.LowerType { + case Exclusive, Unbounded: + buf = append(buf, '(') + case Inclusive: + buf = append(buf, '[') + case Empty: + return append(buf, "empty"...), nil + default: + return nil, fmt.Errorf("unknown lower bound type %v", src.LowerType) + } + + var err error + + if src.LowerType != Unbounded { + buf, err = src.Lower.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + } + + buf = append(buf, ',') + + if src.UpperType != Unbounded { + buf, err = src.Upper.EncodeText(ci, buf) + if err != nil { + return nil, err + } else if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + } + + switch src.UpperType { + case Exclusive, Unbounded: + buf = append(buf, ')') + case Inclusive: + buf = append(buf, ']') + default: + return nil, fmt.Errorf("unknown upper bound type %v", src.UpperType) + } + + return buf, nil +} + +func (src <%= range_type %>) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + var rangeType byte + switch src.LowerType { + case Inclusive: + rangeType |= lowerInclusiveMask + case Unbounded: + rangeType |= lowerUnboundedMask + case Exclusive: + case Empty: + return append(buf, emptyMask), nil + default: + return nil, fmt.Errorf("unknown LowerType: %v", src.LowerType) + } + + switch src.UpperType { + case Inclusive: + rangeType |= upperInclusiveMask + case Unbounded: + rangeType |= upperUnboundedMask + case Exclusive: + default: + return nil, fmt.Errorf("unknown UpperType: %v", src.UpperType) + } + + buf = append(buf, rangeType) + + var err error + + if src.LowerType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Lower.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Lower cannot be null unless LowerType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + if src.UpperType != Unbounded { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + buf, err = src.Upper.EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if buf == nil { + return nil, fmt.Errorf("Upper cannot be null unless UpperType is Unbounded") + } + + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *<%= range_type %>) Scan(src interface{}) error { + if src == nil { + *dst = <%= range_type %>{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src <%= range_type %>) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/typed_range_gen.sh b/vendor/github.com/jackc/pgtype/typed_range_gen.sh new file mode 100644 index 000000000..bedda2925 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/typed_range_gen.sh @@ -0,0 +1,7 @@ +erb range_type=Int4range element_type=Int4 typed_range.go.erb > int4range.go +erb range_type=Int8range element_type=Int8 typed_range.go.erb > int8range.go +erb range_type=Tsrange element_type=Timestamp typed_range.go.erb > tsrange.go +erb range_type=Tstzrange element_type=Timestamptz typed_range.go.erb > tstzrange.go +erb range_type=Daterange element_type=Date typed_range.go.erb > daterange.go +erb range_type=Numrange element_type=Numeric typed_range.go.erb > numrange.go +goimports -w *range.go diff --git a/vendor/github.com/jackc/pgtype/unknown.go b/vendor/github.com/jackc/pgtype/unknown.go new file mode 100644 index 000000000..c591b7083 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/unknown.go @@ -0,0 +1,44 @@ +package pgtype + +import "database/sql/driver" + +// Unknown represents the PostgreSQL unknown type. It is either a string literal +// or NULL. It is used when PostgreSQL does not know the type of a value. In +// general, this will only be used in pgx when selecting a null value without +// type information. e.g. SELECT NULL; +type Unknown struct { + String string + Status Status +} + +func (dst *Unknown) Set(src interface{}) error { + return (*Text)(dst).Set(src) +} + +func (dst Unknown) Get() interface{} { + return (Text)(dst).Get() +} + +// AssignTo assigns from src to dst. Note that as Unknown is not a general number +// type AssignTo does not do automatic type conversion as other number types do. +func (src *Unknown) AssignTo(dst interface{}) error { + return (*Text)(src).AssignTo(dst) +} + +func (dst *Unknown) DecodeText(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeText(ci, src) +} + +func (dst *Unknown) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeBinary(ci, src) +} + +// Scan implements the database/sql Scanner interface. +func (dst *Unknown) Scan(src interface{}) error { + return (*Text)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Unknown) Value() (driver.Value, error) { + return (Text)(src).Value() +} diff --git a/vendor/github.com/jackc/pgtype/uuid.go b/vendor/github.com/jackc/pgtype/uuid.go new file mode 100644 index 000000000..03cf23b2a --- /dev/null +++ b/vendor/github.com/jackc/pgtype/uuid.go @@ -0,0 +1,251 @@ +package pgtype + +import ( + "bytes" + "database/sql/driver" + "encoding/hex" + "fmt" +) + +type UUID struct { + Bytes [16]byte + Status Status +} + +func (dst *UUID) Set(src interface{}) error { + if src == nil { + *dst = UUID{Status: Null} + return nil + } + + switch value := src.(type) { + case interface{ Get() interface{} }: + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + case fmt.Stringer: + value2 := value.String() + return dst.Set(value2) + case [16]byte: + *dst = UUID{Bytes: value, Status: Present} + case []byte: + if value != nil { + if len(value) != 16 { + return fmt.Errorf("[]byte must be 16 bytes to convert to UUID: %d", len(value)) + } + *dst = UUID{Status: Present} + copy(dst.Bytes[:], value) + } else { + *dst = UUID{Status: Null} + } + case string: + uuid, err := parseUUID(value) + if err != nil { + return err + } + *dst = UUID{Bytes: uuid, Status: Present} + case *string: + if value == nil { + *dst = UUID{Status: Null} + } else { + return dst.Set(*value) + } + default: + if originalSrc, ok := underlyingUUIDType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to UUID", value) + } + + return nil +} + +func (dst UUID) Get() interface{} { + switch dst.Status { + case Present: + return dst.Bytes + case Null: + return nil + default: + return dst.Status + } +} + +func (src *UUID) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + switch v := dst.(type) { + case *[16]byte: + *v = src.Bytes + return nil + case *[]byte: + *v = make([]byte, 16) + copy(*v, src.Bytes[:]) + return nil + case *string: + *v = string(encodeUUID(src.Bytes)) + return nil + default: + if nextDst, retry := GetAssignToDstType(v); retry { + return src.AssignTo(nextDst) + } + } + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot assign %v into %T", src, dst) +} + +// parseUUID converts a string UUID in standard form to a byte array. +func parseUUID(src string) (dst [16]byte, err error) { + var uuidBuf [32]byte + srcBuf := uuidBuf[:] + + switch len(src) { + case 36: + copy(srcBuf[0:8], src[:8]) + copy(srcBuf[8:12], src[9:13]) + copy(srcBuf[12:16], src[14:18]) + copy(srcBuf[16:20], src[19:23]) + copy(srcBuf[20:], src[24:]) + case 32: + // dashes already stripped, assume valid + copy(srcBuf, src) + + default: + // assume invalid. + return dst, fmt.Errorf("cannot parse UUID %v", src) + } + + _, err = hex.Decode(dst[:], srcBuf) + if err != nil { + return dst, err + } + return dst, err +} + +// encodeUUID converts a uuid byte array to UUID standard string form. +func encodeUUID(src [16]byte) (dst []byte) { + var buf [36]byte + dst = buf[:] + + hex.Encode(dst, src[:4]) + buf[8] = '-' + hex.Encode(dst[9:13], src[4:6]) + buf[13] = '-' + hex.Encode(dst[14:18], src[6:8]) + buf[18] = '-' + hex.Encode(dst[19:23], src[8:10]) + buf[23] = '-' + hex.Encode(dst[24:], src[10:]) + + return +} + +func (dst *UUID) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = UUID{Status: Null} + return nil + } + + if len(src) != 36 { + return fmt.Errorf("invalid length for UUID: %v", len(src)) + } + + buf, err := parseUUID(string(src)) + if err != nil { + return err + } + + *dst = UUID{Bytes: buf, Status: Present} + return nil +} + +func (dst *UUID) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = UUID{Status: Null} + return nil + } + + if len(src) != 16 { + return fmt.Errorf("invalid length for UUID: %v", len(src)) + } + + *dst = UUID{Status: Present} + copy(dst.Bytes[:], src) + return nil +} + +func (src UUID) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, encodeUUID(src.Bytes)...), nil +} + +func (src UUID) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + return append(buf, src.Bytes[:]...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *UUID) Scan(src interface{}) error { + if src == nil { + *dst = UUID{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src UUID) Value() (driver.Value, error) { + return EncodeValueText(src) +} + +func (src UUID) MarshalJSON() ([]byte, error) { + switch src.Status { + case Present: + var buff bytes.Buffer + buff.WriteByte('"') + buff.Write(encodeUUID(src.Bytes)) + buff.WriteByte('"') + return buff.Bytes(), nil + case Null: + return []byte("null"), nil + case Undefined: + return nil, errUndefined + } + return nil, errBadStatus +} + +func (dst *UUID) UnmarshalJSON(src []byte) error { + if bytes.Equal(src, []byte("null")) { + return dst.Set(nil) + } + if len(src) != 38 { + return fmt.Errorf("invalid length for UUID: %v", len(src)) + } + return dst.Set(string(src[1 : len(src)-1])) +} diff --git a/vendor/github.com/jackc/pgtype/uuid_array.go b/vendor/github.com/jackc/pgtype/uuid_array.go new file mode 100644 index 000000000..00721ef93 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/uuid_array.go @@ -0,0 +1,573 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type UUIDArray struct { + Elements []UUID + Dimensions []ArrayDimension + Status Status +} + +func (dst *UUIDArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = UUIDArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case [][16]byte: + if value == nil { + *dst = UUIDArray{Status: Null} + } else if len(value) == 0 { + *dst = UUIDArray{Status: Present} + } else { + elements := make([]UUID, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = UUIDArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case [][]byte: + if value == nil { + *dst = UUIDArray{Status: Null} + } else if len(value) == 0 { + *dst = UUIDArray{Status: Present} + } else { + elements := make([]UUID, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = UUIDArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []string: + if value == nil { + *dst = UUIDArray{Status: Null} + } else if len(value) == 0 { + *dst = UUIDArray{Status: Present} + } else { + elements := make([]UUID, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = UUIDArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*string: + if value == nil { + *dst = UUIDArray{Status: Null} + } else if len(value) == 0 { + *dst = UUIDArray{Status: Present} + } else { + elements := make([]UUID, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = UUIDArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []UUID: + if value == nil { + *dst = UUIDArray{Status: Null} + } else if len(value) == 0 { + *dst = UUIDArray{Status: Present} + } else { + *dst = UUIDArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = UUIDArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for UUIDArray", src) + } + if elementsLength == 0 { + *dst = UUIDArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to UUIDArray", src) + } + + *dst = UUIDArray{ + Elements: make([]UUID, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]UUID, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to UUIDArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *UUIDArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to UUIDArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in UUIDArray", err) + } + index++ + + return index, nil +} + +func (dst UUIDArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *UUIDArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[][16]byte: + *v = make([][16]byte, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[][]byte: + *v = make([][]byte, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*string: + *v = make([]*string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *UUIDArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from UUIDArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from UUIDArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *UUIDArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = UUIDArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []UUID + + if len(uta.Elements) > 0 { + elements = make([]UUID, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem UUID + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = UUIDArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *UUIDArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = UUIDArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = UUIDArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]UUID, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = UUIDArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src UUIDArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src UUIDArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("uuid"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "uuid") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *UUIDArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src UUIDArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/varbit.go b/vendor/github.com/jackc/pgtype/varbit.go new file mode 100644 index 000000000..f24dc5bcf --- /dev/null +++ b/vendor/github.com/jackc/pgtype/varbit.go @@ -0,0 +1,133 @@ +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + + "github.com/jackc/pgio" +) + +type Varbit struct { + Bytes []byte + Len int32 // Number of bits + Status Status +} + +func (dst *Varbit) Set(src interface{}) error { + return fmt.Errorf("cannot convert %v to Varbit", src) +} + +func (dst Varbit) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *Varbit) AssignTo(dst interface{}) error { + return fmt.Errorf("cannot assign %v to %T", src, dst) +} + +func (dst *Varbit) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Varbit{Status: Null} + return nil + } + + bitLen := len(src) + byteLen := bitLen / 8 + if bitLen%8 > 0 { + byteLen++ + } + buf := make([]byte, byteLen) + + for i, b := range src { + if b == '1' { + byteIdx := i / 8 + bitIdx := uint(i % 8) + buf[byteIdx] = buf[byteIdx] | (128 >> bitIdx) + } + } + + *dst = Varbit{Bytes: buf, Len: int32(bitLen), Status: Present} + return nil +} + +func (dst *Varbit) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = Varbit{Status: Null} + return nil + } + + if len(src) < 4 { + return fmt.Errorf("invalid length for varbit: %v", len(src)) + } + + bitLen := int32(binary.BigEndian.Uint32(src)) + rp := 4 + + *dst = Varbit{Bytes: src[rp:], Len: bitLen, Status: Present} + return nil +} + +func (src Varbit) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + for i := int32(0); i < src.Len; i++ { + byteIdx := i / 8 + bitMask := byte(128 >> byte(i%8)) + char := byte('0') + if src.Bytes[byteIdx]&bitMask > 0 { + char = '1' + } + buf = append(buf, char) + } + + return buf, nil +} + +func (src Varbit) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + buf = pgio.AppendInt32(buf, src.Len) + return append(buf, src.Bytes...), nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *Varbit) Scan(src interface{}) error { + if src == nil { + *dst = Varbit{Status: Null} + return nil + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Varbit) Value() (driver.Value, error) { + return EncodeValueText(src) +} diff --git a/vendor/github.com/jackc/pgtype/varchar.go b/vendor/github.com/jackc/pgtype/varchar.go new file mode 100644 index 000000000..fea31d181 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/varchar.go @@ -0,0 +1,66 @@ +package pgtype + +import ( + "database/sql/driver" +) + +type Varchar Text + +// Set converts from src to dst. Note that as Varchar is not a general +// number type Set does not do automatic type conversion as other number +// types do. +func (dst *Varchar) Set(src interface{}) error { + return (*Text)(dst).Set(src) +} + +func (dst Varchar) Get() interface{} { + return (Text)(dst).Get() +} + +// AssignTo assigns from src to dst. Note that as Varchar is not a general number +// type AssignTo does not do automatic type conversion as other number types do. +func (src *Varchar) AssignTo(dst interface{}) error { + return (*Text)(src).AssignTo(dst) +} + +func (Varchar) PreferredResultFormat() int16 { + return TextFormatCode +} + +func (dst *Varchar) DecodeText(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeText(ci, src) +} + +func (dst *Varchar) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*Text)(dst).DecodeBinary(ci, src) +} + +func (Varchar) PreferredParamFormat() int16 { + return TextFormatCode +} + +func (src Varchar) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeText(ci, buf) +} + +func (src Varchar) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (Text)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *Varchar) Scan(src interface{}) error { + return (*Text)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src Varchar) Value() (driver.Value, error) { + return (Text)(src).Value() +} + +func (src Varchar) MarshalJSON() ([]byte, error) { + return (Text)(src).MarshalJSON() +} + +func (dst *Varchar) UnmarshalJSON(b []byte) error { + return (*Text)(dst).UnmarshalJSON(b) +} diff --git a/vendor/github.com/jackc/pgtype/varchar_array.go b/vendor/github.com/jackc/pgtype/varchar_array.go new file mode 100644 index 000000000..8a309a3f8 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/varchar_array.go @@ -0,0 +1,517 @@ +// Code generated by erb. DO NOT EDIT. + +package pgtype + +import ( + "database/sql/driver" + "encoding/binary" + "fmt" + "reflect" + + "github.com/jackc/pgio" +) + +type VarcharArray struct { + Elements []Varchar + Dimensions []ArrayDimension + Status Status +} + +func (dst *VarcharArray) Set(src interface{}) error { + // untyped nil and typed nil interfaces are different + if src == nil { + *dst = VarcharArray{Status: Null} + return nil + } + + if value, ok := src.(interface{ Get() interface{} }); ok { + value2 := value.Get() + if value2 != value { + return dst.Set(value2) + } + } + + // Attempt to match to select common types: + switch value := src.(type) { + + case []string: + if value == nil { + *dst = VarcharArray{Status: Null} + } else if len(value) == 0 { + *dst = VarcharArray{Status: Present} + } else { + elements := make([]Varchar, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = VarcharArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []*string: + if value == nil { + *dst = VarcharArray{Status: Null} + } else if len(value) == 0 { + *dst = VarcharArray{Status: Present} + } else { + elements := make([]Varchar, len(value)) + for i := range value { + if err := elements[i].Set(value[i]); err != nil { + return err + } + } + *dst = VarcharArray{ + Elements: elements, + Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}}, + Status: Present, + } + } + + case []Varchar: + if value == nil { + *dst = VarcharArray{Status: Null} + } else if len(value) == 0 { + *dst = VarcharArray{Status: Present} + } else { + *dst = VarcharArray{ + Elements: value, + Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}}, + Status: Present, + } + } + default: + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + reflectedValue := reflect.ValueOf(src) + if !reflectedValue.IsValid() || reflectedValue.IsZero() { + *dst = VarcharArray{Status: Null} + return nil + } + + dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0) + if !ok { + return fmt.Errorf("cannot find dimensions of %v for VarcharArray", src) + } + if elementsLength == 0 { + *dst = VarcharArray{Status: Present} + return nil + } + if len(dimensions) == 0 { + if originalSrc, ok := underlyingSliceType(src); ok { + return dst.Set(originalSrc) + } + return fmt.Errorf("cannot convert %v to VarcharArray", src) + } + + *dst = VarcharArray{ + Elements: make([]Varchar, elementsLength), + Dimensions: dimensions, + Status: Present, + } + elementCount, err := dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + // Maybe the target was one dimension too far, try again: + if len(dst.Dimensions) > 1 { + dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1] + elementsLength = 0 + for _, dim := range dst.Dimensions { + if elementsLength == 0 { + elementsLength = int(dim.Length) + } else { + elementsLength *= int(dim.Length) + } + } + dst.Elements = make([]Varchar, elementsLength) + elementCount, err = dst.setRecursive(reflectedValue, 0, 0) + if err != nil { + return err + } + } else { + return err + } + } + if elementCount != len(dst.Elements) { + return fmt.Errorf("cannot convert %v to VarcharArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount) + } + } + + return nil +} + +func (dst *VarcharArray) setRecursive(value reflect.Value, index, dimension int) (int, error) { + switch value.Kind() { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(dst.Dimensions) == dimension { + break + } + + valueLen := value.Len() + if int32(valueLen) != dst.Dimensions[dimension].Length { + return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions") + } + for i := 0; i < valueLen; i++ { + var err error + index, err = dst.setRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if !value.CanInterface() { + return 0, fmt.Errorf("cannot convert all values to VarcharArray") + } + if err := dst.Elements[index].Set(value.Interface()); err != nil { + return 0, fmt.Errorf("%v in VarcharArray", err) + } + index++ + + return index, nil +} + +func (dst VarcharArray) Get() interface{} { + switch dst.Status { + case Present: + return dst + case Null: + return nil + default: + return dst.Status + } +} + +func (src *VarcharArray) AssignTo(dst interface{}) error { + switch src.Status { + case Present: + if len(src.Dimensions) <= 1 { + // Attempt to match to select common types: + switch v := dst.(type) { + + case *[]string: + *v = make([]string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + case *[]*string: + *v = make([]*string, len(src.Elements)) + for i := range src.Elements { + if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil { + return err + } + } + return nil + + } + } + + // Try to convert to something AssignTo can use directly. + if nextDst, retry := GetAssignToDstType(dst); retry { + return src.AssignTo(nextDst) + } + + // Fallback to reflection if an optimised match was not found. + // The reflection is necessary for arrays and multidimensional slices, + // but it comes with a 20-50% performance penalty for large arrays/slices + value := reflect.ValueOf(dst) + if value.Kind() == reflect.Ptr { + value = value.Elem() + } + + switch value.Kind() { + case reflect.Array, reflect.Slice: + default: + return fmt.Errorf("cannot assign %T to %T", src, dst) + } + + if len(src.Elements) == 0 { + if value.Kind() == reflect.Slice { + value.Set(reflect.MakeSlice(value.Type(), 0, 0)) + return nil + } + } + + elementCount, err := src.assignToRecursive(value, 0, 0) + if err != nil { + return err + } + if elementCount != len(src.Elements) { + return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount) + } + + return nil + case Null: + return NullAssignTo(dst) + } + + return fmt.Errorf("cannot decode %#v into %T", src, dst) +} + +func (src *VarcharArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) { + switch kind := value.Kind(); kind { + case reflect.Array: + fallthrough + case reflect.Slice: + if len(src.Dimensions) == dimension { + break + } + + length := int(src.Dimensions[dimension].Length) + if reflect.Array == kind { + typ := value.Type() + if typ.Len() != length { + return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len()) + } + value.Set(reflect.New(typ).Elem()) + } else { + value.Set(reflect.MakeSlice(value.Type(), length, length)) + } + + var err error + for i := 0; i < length; i++ { + index, err = src.assignToRecursive(value.Index(i), index, dimension+1) + if err != nil { + return 0, err + } + } + + return index, nil + } + if len(src.Dimensions) != dimension { + return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension) + } + if !value.CanAddr() { + return 0, fmt.Errorf("cannot assign all values from VarcharArray") + } + addr := value.Addr() + if !addr.CanInterface() { + return 0, fmt.Errorf("cannot assign all values from VarcharArray") + } + if err := src.Elements[index].AssignTo(addr.Interface()); err != nil { + return 0, err + } + index++ + return index, nil +} + +func (dst *VarcharArray) DecodeText(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = VarcharArray{Status: Null} + return nil + } + + uta, err := ParseUntypedTextArray(string(src)) + if err != nil { + return err + } + + var elements []Varchar + + if len(uta.Elements) > 0 { + elements = make([]Varchar, len(uta.Elements)) + + for i, s := range uta.Elements { + var elem Varchar + var elemSrc []byte + if s != "NULL" || uta.Quoted[i] { + elemSrc = []byte(s) + } + err = elem.DecodeText(ci, elemSrc) + if err != nil { + return err + } + + elements[i] = elem + } + } + + *dst = VarcharArray{Elements: elements, Dimensions: uta.Dimensions, Status: Present} + + return nil +} + +func (dst *VarcharArray) DecodeBinary(ci *ConnInfo, src []byte) error { + if src == nil { + *dst = VarcharArray{Status: Null} + return nil + } + + var arrayHeader ArrayHeader + rp, err := arrayHeader.DecodeBinary(ci, src) + if err != nil { + return err + } + + if len(arrayHeader.Dimensions) == 0 { + *dst = VarcharArray{Dimensions: arrayHeader.Dimensions, Status: Present} + return nil + } + + elementCount := arrayHeader.Dimensions[0].Length + for _, d := range arrayHeader.Dimensions[1:] { + elementCount *= d.Length + } + + elements := make([]Varchar, elementCount) + + for i := range elements { + elemLen := int(int32(binary.BigEndian.Uint32(src[rp:]))) + rp += 4 + var elemSrc []byte + if elemLen >= 0 { + elemSrc = src[rp : rp+elemLen] + rp += elemLen + } + err = elements[i].DecodeBinary(ci, elemSrc) + if err != nil { + return err + } + } + + *dst = VarcharArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Status: Present} + return nil +} + +func (src VarcharArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + if len(src.Dimensions) == 0 { + return append(buf, '{', '}'), nil + } + + buf = EncodeTextArrayDimensions(buf, src.Dimensions) + + // dimElemCounts is the multiples of elements that each array lies on. For + // example, a single dimension array of length 4 would have a dimElemCounts of + // [4]. A multi-dimensional array of lengths [3,5,2] would have a + // dimElemCounts of [30,10,2]. This is used to simplify when to render a '{' + // or '}'. + dimElemCounts := make([]int, len(src.Dimensions)) + dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length) + for i := len(src.Dimensions) - 2; i > -1; i-- { + dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1] + } + + inElemBuf := make([]byte, 0, 32) + for i, elem := range src.Elements { + if i > 0 { + buf = append(buf, ',') + } + + for _, dec := range dimElemCounts { + if i%dec == 0 { + buf = append(buf, '{') + } + } + + elemBuf, err := elem.EncodeText(ci, inElemBuf) + if err != nil { + return nil, err + } + if elemBuf == nil { + buf = append(buf, `NULL`...) + } else { + buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...) + } + + for _, dec := range dimElemCounts { + if (i+1)%dec == 0 { + buf = append(buf, '}') + } + } + } + + return buf, nil +} + +func (src VarcharArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + switch src.Status { + case Null: + return nil, nil + case Undefined: + return nil, errUndefined + } + + arrayHeader := ArrayHeader{ + Dimensions: src.Dimensions, + } + + if dt, ok := ci.DataTypeForName("varchar"); ok { + arrayHeader.ElementOID = int32(dt.OID) + } else { + return nil, fmt.Errorf("unable to find oid for type name %v", "varchar") + } + + for i := range src.Elements { + if src.Elements[i].Status == Null { + arrayHeader.ContainsNull = true + break + } + } + + buf = arrayHeader.EncodeBinary(ci, buf) + + for i := range src.Elements { + sp := len(buf) + buf = pgio.AppendInt32(buf, -1) + + elemBuf, err := src.Elements[i].EncodeBinary(ci, buf) + if err != nil { + return nil, err + } + if elemBuf != nil { + buf = elemBuf + pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4)) + } + } + + return buf, nil +} + +// Scan implements the database/sql Scanner interface. +func (dst *VarcharArray) Scan(src interface{}) error { + if src == nil { + return dst.DecodeText(nil, nil) + } + + switch src := src.(type) { + case string: + return dst.DecodeText(nil, []byte(src)) + case []byte: + srcCopy := make([]byte, len(src)) + copy(srcCopy, src) + return dst.DecodeText(nil, srcCopy) + } + + return fmt.Errorf("cannot scan %T", src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src VarcharArray) Value() (driver.Value, error) { + buf, err := src.EncodeText(nil, nil) + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + + return string(buf), nil +} diff --git a/vendor/github.com/jackc/pgtype/xid.go b/vendor/github.com/jackc/pgtype/xid.go new file mode 100644 index 000000000..f6d6b22d5 --- /dev/null +++ b/vendor/github.com/jackc/pgtype/xid.go @@ -0,0 +1,64 @@ +package pgtype + +import ( + "database/sql/driver" +) + +// XID is PostgreSQL's Transaction ID type. +// +// In later versions of PostgreSQL, it is the type used for the backend_xid +// and backend_xmin columns of the pg_stat_activity system view. +// +// Also, when one does +// +// select xmin, xmax, * from some_table; +// +// it is the data type of the xmin and xmax hidden system columns. +// +// It is currently implemented as an unsigned four byte integer. +// Its definition can be found in src/include/postgres_ext.h as TransactionId +// in the PostgreSQL sources. +type XID pguint32 + +// Set converts from src to dst. Note that as XID is not a general +// number type Set does not do automatic type conversion as other number +// types do. +func (dst *XID) Set(src interface{}) error { + return (*pguint32)(dst).Set(src) +} + +func (dst XID) Get() interface{} { + return (pguint32)(dst).Get() +} + +// AssignTo assigns from src to dst. Note that as XID is not a general number +// type AssignTo does not do automatic type conversion as other number types do. +func (src *XID) AssignTo(dst interface{}) error { + return (*pguint32)(src).AssignTo(dst) +} + +func (dst *XID) DecodeText(ci *ConnInfo, src []byte) error { + return (*pguint32)(dst).DecodeText(ci, src) +} + +func (dst *XID) DecodeBinary(ci *ConnInfo, src []byte) error { + return (*pguint32)(dst).DecodeBinary(ci, src) +} + +func (src XID) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) { + return (pguint32)(src).EncodeText(ci, buf) +} + +func (src XID) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) { + return (pguint32)(src).EncodeBinary(ci, buf) +} + +// Scan implements the database/sql Scanner interface. +func (dst *XID) Scan(src interface{}) error { + return (*pguint32)(dst).Scan(src) +} + +// Value implements the database/sql/driver Valuer interface. +func (src XID) Value() (driver.Value, error) { + return (pguint32)(src).Value() +} diff --git a/vendor/github.com/openshift/assisted-service/models/api_vip.go b/vendor/github.com/openshift/assisted-service/models/api_vip.go index 30ed30702..7d51f36a7 100644 --- a/vendor/github.com/openshift/assisted-service/models/api_vip.go +++ b/vendor/github.com/openshift/assisted-service/models/api_vip.go @@ -24,7 +24,7 @@ type APIVip struct { ClusterID strfmt.UUID `json:"cluster_id,omitempty" gorm:"primaryKey"` // The IP address. - IP IP `json:"ip,omitempty" gorm:"primaryKey"` + IP IP `json:"ip,omitempty" gorm:"primaryKey;type:inet"` // API VIP verification result. Verification *VipVerification `json:"verification,omitempty"` diff --git a/vendor/github.com/openshift/assisted-service/models/cluster_network.go b/vendor/github.com/openshift/assisted-service/models/cluster_network.go index acb05816e..cbf2e22e1 100644 --- a/vendor/github.com/openshift/assisted-service/models/cluster_network.go +++ b/vendor/github.com/openshift/assisted-service/models/cluster_network.go @@ -20,7 +20,7 @@ import ( type ClusterNetwork struct { // The IP block address pool. - Cidr Subnet `json:"cidr,omitempty" gorm:"primaryKey"` + Cidr Subnet `json:"cidr,omitempty" gorm:"primaryKey;type:cidr"` // The cluster that this network is associated with. // Format: uuid diff --git a/vendor/github.com/openshift/assisted-service/models/custom.go b/vendor/github.com/openshift/assisted-service/models/custom.go index 3c28dc11b..fa9b21f15 100644 --- a/vendor/github.com/openshift/assisted-service/models/custom.go +++ b/vendor/github.com/openshift/assisted-service/models/custom.go @@ -5,10 +5,14 @@ package models import ( "context" + "database/sql/driver" + "fmt" + "net" "github.com/go-openapi/strfmt" "github.com/go-openapi/swag" "github.com/go-openapi/validate" + "github.com/jackc/pgtype" modelvalidations "github.com/openshift/assisted-service/models/validations" ) @@ -69,3 +73,120 @@ func (m *DomainResolutionRequestDomain) UnmarshalBinary(b []byte) error { *m = res return nil } + +// Value implements driver.Valuer for IP to convert Go string to PostgreSQL inet +func (m IP) Value() (driver.Value, error) { + if m == "" { + return nil, nil + } + + // Create a pgtype.Inet and set the value - it knows how to encode for PostgreSQL + var inet pgtype.Inet + if err := inet.Set(string(m)); err != nil { + return nil, fmt.Errorf("invalid IP address %q: %w", m, err) + } + + // Return the pgtype.Inet's driver.Value + return inet.Value() +} + +// Scan implements sql.Scanner for IP to convert PostgreSQL inet to Go string +func (m *IP) Scan(value interface{}) error { + if value == nil { + *m = "" + return nil + } + switch v := value.(type) { + case string: + *m = IP(v) + case []byte: + *m = IP(string(v)) + case *net.IPNet: + // pgx may return *net.IPNet for inet columns + if v != nil { + *m = IP(v.IP.String()) + } else { + *m = "" + } + case net.IP: + *m = IP(v.String()) + case *pgtype.Inet: + // pgtype.Inet is used by pgx for inet/cidr columns + if v != nil && v.Status == pgtype.Present && v.IPNet != nil { + *m = IP(v.IPNet.IP.String()) + } else { + *m = "" + } + case pgtype.Inet: + if v.Status == pgtype.Present && v.IPNet != nil { + *m = IP(v.IPNet.IP.String()) + } else { + *m = "" + } + default: + return fmt.Errorf("cannot convert %T to IP", value) + } + return nil +} + +// Value implements driver.Valuer for Subnet to convert Go string to PostgreSQL cidr +func (m Subnet) Value() (driver.Value, error) { + if m == "" { + return nil, nil + } + + // Parse and normalize the CIDR to ensure host bits are zero + // This is required for PostgreSQL cidr type which is strict about network addresses + _, ipnet, err := net.ParseCIDR(string(m)) + if err != nil { + return nil, fmt.Errorf("invalid CIDR %q: %w", m, err) + } + + // Create a pgtype.Inet with the normalized network address + var inet pgtype.Inet + if err := inet.Set(ipnet.String()); err != nil { + return nil, fmt.Errorf("invalid CIDR %q: %w", m, err) + } + + // Return the pgtype.Inet's driver.Value + return inet.Value() +} + +// Scan implements sql.Scanner for Subnet to convert PostgreSQL cidr to Go string +func (m *Subnet) Scan(value interface{}) error { + if value == nil { + *m = "" + return nil + } + switch v := value.(type) { + case string: + *m = Subnet(v) + case []byte: + *m = Subnet(string(v)) + case *net.IPNet: + // pgx may return *net.IPNet for cidr columns + if v != nil { + *m = Subnet(v.String()) + } else { + *m = "" + } + case net.IPNet: + *m = Subnet(v.String()) + case *pgtype.Inet: + // pgtype.Inet is used by pgx for inet/cidr columns + if v != nil && v.Status == pgtype.Present && v.IPNet != nil { + *m = Subnet(v.IPNet.String()) + } else { + *m = "" + } + case pgtype.Inet: + if v.Status == pgtype.Present && v.IPNet != nil { + *m = Subnet(v.IPNet.String()) + } else { + *m = "" + } + default: + return fmt.Errorf("cannot convert %T to Subnet", value) + } + return nil +} diff --git a/vendor/github.com/openshift/assisted-service/models/ingress_vip.go b/vendor/github.com/openshift/assisted-service/models/ingress_vip.go index 80e64f282..fae23defd 100644 --- a/vendor/github.com/openshift/assisted-service/models/ingress_vip.go +++ b/vendor/github.com/openshift/assisted-service/models/ingress_vip.go @@ -24,7 +24,7 @@ type IngressVip struct { ClusterID strfmt.UUID `json:"cluster_id,omitempty" gorm:"primaryKey"` // The IP address. - IP IP `json:"ip,omitempty" gorm:"primaryKey"` + IP IP `json:"ip,omitempty" gorm:"primaryKey;type:inet"` // Ingress VIP verification result. Verification *VipVerification `json:"verification,omitempty"` diff --git a/vendor/github.com/openshift/assisted-service/models/machine_network.go b/vendor/github.com/openshift/assisted-service/models/machine_network.go index 40ec09842..5319fe7db 100644 --- a/vendor/github.com/openshift/assisted-service/models/machine_network.go +++ b/vendor/github.com/openshift/assisted-service/models/machine_network.go @@ -20,7 +20,7 @@ import ( type MachineNetwork struct { // The IP block address pool. - Cidr Subnet `json:"cidr,omitempty" gorm:"primaryKey"` + Cidr Subnet `json:"cidr,omitempty" gorm:"primaryKey;type:cidr"` // The cluster that this network is associated with. // Format: uuid diff --git a/vendor/github.com/openshift/assisted-service/models/service_network.go b/vendor/github.com/openshift/assisted-service/models/service_network.go index 413d01e80..0170451bf 100644 --- a/vendor/github.com/openshift/assisted-service/models/service_network.go +++ b/vendor/github.com/openshift/assisted-service/models/service_network.go @@ -20,7 +20,7 @@ import ( type ServiceNetwork struct { // The IP block address pool. - Cidr Subnet `json:"cidr,omitempty" gorm:"primaryKey"` + Cidr Subnet `json:"cidr,omitempty" gorm:"primaryKey;type:cidr"` // A network to use for service IP addresses. If you need to access the services from an external network, configure load balancers and routers to manage the traffic. // Format: uuid diff --git a/vendor/github.com/openshift/assisted-service/models/verified_vip.go b/vendor/github.com/openshift/assisted-service/models/verified_vip.go index 77f807b8c..def514fdd 100644 --- a/vendor/github.com/openshift/assisted-service/models/verified_vip.go +++ b/vendor/github.com/openshift/assisted-service/models/verified_vip.go @@ -22,7 +22,7 @@ type VerifiedVip struct { Verification *VipVerification `json:"verification,omitempty"` // vip - Vip IP `json:"vip,omitempty" gorm:"primaryKey"` + Vip IP `json:"vip,omitempty" gorm:"primaryKey;type:inet"` // vip type VipType VipType `json:"vip_type,omitempty"` diff --git a/vendor/github.com/openshift/assisted-service/models/verify_vip.go b/vendor/github.com/openshift/assisted-service/models/verify_vip.go index fd6cabc8c..1040f284e 100644 --- a/vendor/github.com/openshift/assisted-service/models/verify_vip.go +++ b/vendor/github.com/openshift/assisted-service/models/verify_vip.go @@ -19,7 +19,7 @@ import ( type VerifyVip struct { // vip - Vip IP `json:"vip,omitempty" gorm:"primaryKey"` + Vip IP `json:"vip,omitempty" gorm:"primaryKey;type:inet"` // vip type VipType VipType `json:"vip_type,omitempty"` diff --git a/vendor/modules.txt b/vendor/modules.txt index 60b96799f..1886d3e3e 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -168,6 +168,12 @@ github.com/itchyny/gojq # github.com/itchyny/timefmt-go v0.1.3 ## explicit; go 1.14 github.com/itchyny/timefmt-go +# github.com/jackc/pgio v1.0.0 +## explicit; go 1.12 +github.com/jackc/pgio +# github.com/jackc/pgtype v1.14.4 +## explicit; go 1.13 +github.com/jackc/pgtype # github.com/jinzhu/inflection v1.0.0 ## explicit github.com/jinzhu/inflection @@ -250,7 +256,7 @@ github.com/openshift/api/operator/v1 github.com/openshift/assisted-service/api/common github.com/openshift/assisted-service/api/hiveextension/v1beta1 github.com/openshift/assisted-service/api/v1beta1 -# github.com/openshift/assisted-service/models v0.0.0 => github.com/openshift/assisted-service/models v0.0.0-20251208131030-ae39457e926d +# github.com/openshift/assisted-service/models v0.0.0 => github.com/openshift/assisted-service/models v0.0.0-20260116093747-92c71df8daee ## explicit; go 1.21 github.com/openshift/assisted-service/models github.com/openshift/assisted-service/models/validations @@ -1016,7 +1022,7 @@ sigs.k8s.io/structured-merge-diff/v6/value ## explicit; go 1.22 sigs.k8s.io/yaml # github.com/openshift/assisted-service/api => github.com/openshift/assisted-service/api v0.0.0-20251209011235-28a9e58dea34 -# github.com/openshift/assisted-service/models => github.com/openshift/assisted-service/models v0.0.0-20251208131030-ae39457e926d +# github.com/openshift/assisted-service/models => github.com/openshift/assisted-service/models v0.0.0-20260116093747-92c71df8daee # github.com/openshift/cluster-api-provider-agent/api => ./api # golang.org/x/oauth2 => github.com/openshift/golang-oauth2 v0.26.1-0.20250310184649-06a918c6239d # sigs.k8s.io/cluster-api => sigs.k8s.io/cluster-api v1.11.0