feat(postgres): Add support for CREATE TABLE a ( LIKE b ) (#1355)

Author: Jille

internal/endtoend/testdata/create_table_like/postgresql/go/db.go

@@ -0,0 +1,2 @@
+/* name: GetAll :many */
+SELECT * FROM super_users;

internal/endtoend/testdata/create_table_like/postgresql/go/models.go

@@ -0,0 +1,18 @@
+CREATE TABLE users (
+    id serial NOT NULL PRIMARY KEY,
+    first_name varchar(255) NOT NULL
+);
+
+ALTER TABLE users
+    ADD COLUMN last_name varchar(255);
+
+CREATE TABLE super_users ( LIKE users );
+
+ALTER TABLE users
+    ADD COLUMN age integer NOT NULL;
+
+ALTER TABLE users
+    DROP COLUMN first_name;
+
+ALTER TABLE super_users
+    ADD COLUMN date_of_birth TIMESTAMP;

internal/endtoend/testdata/create_table_like/postgresql/go/query.sql.go

@@ -0,0 +1,12 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "name": "querytest",
+      "path": "go",
+      "schema": "schema.sql",
+      "queries": "query.sql",
+      "engine": "postgresql"
+    }
+  ]
+}

internal/endtoend/testdata/create_table_like/postgresql/query.sql

@@ -384,6 +384,10 @@ func translate(node *nodes.Node) (ast.Node, error) {
 						primaryKey[key.Node.(*nodes.Node_String_).String_.Str] = true
 					}
 				}
+
+			case *nodes.Node_TableLikeClause:
+				rel := parseRelationFromRangeVar(item.TableLikeClause.Relation)
+				create.ReferTable = rel.TableName()
 			}
 		}
 		for _, elt := range n.TableElts {