Implement ALTER TYPE SET SCHEMA (#2027)

Author: linux2647

internal/endtoend/testdata/ddl_alter_type_set_schema/postgresql/pgx/v4/go/db.go

@@ -0,0 +1,17 @@
+CREATE SCHEMA old;
+CREATE SCHEMA new;
+
+CREATE TYPE event AS enum ('START', 'STOP');
+CREATE TYPE old.level AS enum ('DEBUG', 'INFO', 'WARN', 'ERROR', 'FATAL');
+
+CREATE TABLE log_lines (
+  id     BIGSERIAL    PRIMARY KEY,
+  status event        NOT NULL,
+  level  old.level    NOT NULL
+);
+
+ALTER TYPE event SET SCHEMA new;
+ALTER TYPE old.level SET SCHEMA public;
+
+-- name: ListAuthors :many
+SELECT * FROM log_lines;

internal/endtoend/testdata/ddl_alter_type_set_schema/postgresql/pgx/v4/go/models.go

@@ -0,0 +1,13 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "sql_package": "pgx/v4",
+      "name": "querytest",
+      "schema": "query.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/ddl_alter_type_set_schema/postgresql/pgx/v4/go/query.sql.go

@@ -0,0 +1,17 @@
+CREATE SCHEMA old;
+CREATE SCHEMA new;
+
+CREATE TYPE event AS enum ('START', 'STOP');
+CREATE TYPE old.level AS enum ('DEBUG', 'INFO', 'WARN', 'ERROR', 'FATAL');
+
+CREATE TABLE log_lines (
+  id     BIGSERIAL    PRIMARY KEY,
+  status event        NOT NULL,
+  level  old.level    NOT NULL
+);
+
+ALTER TYPE event SET SCHEMA new;
+ALTER TYPE old.level SET SCHEMA public;
+
+-- name: ListAuthors :many
+SELECT * FROM log_lines;