add endtoend tests

Author: andrewmbenton

internal/endtoend/testdata/select_subquery_no_alias/mysql/go/db.go

@@ -0,0 +1,2 @@
+-- name: Subquery :many
+SELECT * FROM (SELECT * FROM foo);

internal/endtoend/testdata/select_subquery_no_alias/mysql/go/models.go

@@ -0,0 +1 @@
+CREATE TABLE foo (a int not null, name text);

internal/endtoend/testdata/select_subquery_no_alias/mysql/go/query.sql.go

@@ -0,0 +1,9 @@
+version: "2"
+sql:
+  - engine: "mysql"
+    schema: "schema.sql"
+    queries: "query.sql"
+    gen:
+      go:
+        package: "querytest"
+        out: "go"

internal/endtoend/testdata/select_subquery_no_alias/mysql/query.sql

@@ -0,0 +1,2 @@
+-- name: Subquery :many
+SELECT * FROM (SELECT * FROM foo);