# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.
#
# This file is derived from the logic test suite in CockroachDB. The
# original file was retrieved on June 10, 2019 from:
#
# The original source code is subject to the terms of the Apache
# 2.0 license, a copy of which can be found in the LICENSE file at the
# root of this repository.

# Start from a pristine server
reset-server

statement ok
CREATE TABLE t (a int, b int, c int)

statement ok
CREATE VIEW t_view AS SELECT t.a, b FROM t

# Test pg_get_viewdef(view_name)

query T
SELECT pg_get_viewdef('doesnotexist')
----
NULL

query T
SELECT pg_get_viewdef('t_view')
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

# Test pg_get_viewdef(view_oid)

query T
SELECT pg_get_viewdef(0)
----
NULL

query T
SELECT pg_get_viewdef('t_view'::regclass::oid)
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

# Test pg_get_viewdef(view_name, pretty)

query T
SELECT pg_get_viewdef('doesnotexist', true)
----
NULL

query T
SELECT pg_get_viewdef('doesnotexist', false)
----
NULL

query T
SELECT pg_get_viewdef('t_view', true)
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

query T
SELECT pg_get_viewdef('t_view', false)
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

# Test pg_get_viewdef(view_oid, pretty)

query T
SELECT pg_get_viewdef(0, true)
----
NULL

query T
SELECT pg_get_viewdef(0, false)
----
NULL

query T
SELECT pg_get_viewdef('t_view'::regclass::oid, true)
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

query T
SELECT pg_get_viewdef('t_view'::regclass::oid, false)
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

# Test pg_get_viewdef(view_oid, wrap_column)

query T
SELECT pg_get_viewdef(0, 80)
----
NULL

query T
SELECT pg_get_viewdef('t_view'::regclass::oid, 80)
----
SELECT "t"."a", "b" FROM [u1 AS "materialize"."public"."t"];

# Test retrieving view definition after table rename

statement ok
ALTER TABLE t RENAME TO t2

query T
SELECT pg_get_viewdef('t_view'::regclass::oid)
----
SELECT "t2"."a", "b" FROM [u1 AS "materialize"."public"."t2"];