tests: added pg_generate_series pgx test

Author: victoraugustolls

internal/endtoend/testdata/pg_generate_series/postgresql/pgx/go/db.go

@@ -0,0 +1,14 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "driver": "pgx/v4",
+      "name": "querytest",
+      "schema": "query.sql",
+      "queries": "query.sql",
+      "emit_json_tags": true
+    }
+  ]
+}

internal/endtoend/testdata/pg_generate_series/go/models.go renamed to internal/endtoend/testdata/pg_generate_series/postgresql/pgx/go/models.go

@@ -0,0 +1,2 @@
+-- name: GenerateSeries :many
+SELECT generate_series($1::timestamp, $2::timestamp);

internal/endtoend/testdata/pg_generate_series/postgresql/pgx/go/query.sql.go

@@ -3,6 +3,7 @@
   "packages": [
     {
       "path": "go",
+      "engine": "postgresql",
       "name": "querytest",
       "schema": "query.sql",
       "queries": "query.sql",