# Copyright 2015 - 2019 The Cockroach Authors. All rights reserved.
# 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:
#
#     https://github.com/cockroachdb/cockroach/blob/d2f7fbf5dd1fc1a099bbad790a2e1f7c60a66cc3/pkg/sql/logictest/testdata/logic_test/drop_view
#
# 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.

# not supported yet
halt

mode cockroach

statement ok
CREATE TABLE a (k STRING PRIMARY KEY, v STRING)

statement ok
INSERT INTO a VALUES ('a', '1'), ('b', '2'), ('c', '3')

statement ok
CREATE VIEW b AS SELECT k,v from a

statement ok
CREATE VIEW c AS SELECT k,v from b

query TT
SHOW TABLES FROM test
----
a (empty)
b (empty)
c (empty)

statement error cannot drop relation "a" because view "b" depends on it
DROP TABLE a

statement error pgcode 42809 "b" is not a table
DROP TABLE b

statement error cannot drop relation "b" because view "c" depends on it
DROP VIEW b

statement ok
CREATE VIEW d AS SELECT k,v FROM a

statement ok
CREATE VIEW diamond AS SELECT count(*) FROM b AS b JOIN d AS d ON b.k = d.k

statement error cannot drop relation "d" because view "diamond" depends on it
DROP VIEW d

statement ok
GRANT ALL ON d TO testuser

query TT
SHOW TABLES FROM test
----
a (empty)
b (empty)
c (empty)
d (empty)
diamond (empty)

user testuser

statement error user testuser does not have DROP privilege on relation diamond
DROP VIEW diamond

statement error cannot drop relation "d" because view "diamond" depends on it
DROP VIEW d

user root

statement ok
CREATE VIEW testuser1 AS SELECT k,v FROM a

statement ok
CREATE VIEW testuser2 AS SELECT k,v FROM testuser1

statement ok
CREATE VIEW testuser3 AS SELECT k,v FROM testuser2

statement ok
GRANT ALL ON testuser1 to testuser

statement ok
GRANT ALL ON testuser2 to testuser

statement ok
GRANT ALL ON testuser3 to testuser

query TT
SHOW TABLES FROM test
----
a (empty)
b (empty)
c (empty)
d (empty)
diamond (empty)
testuser1 (empty)
testuser2 (empty)
testuser3 (empty)

user testuser

statement ok
DROP VIEW testuser3

query TT
SHOW TABLES FROM test
----
d (empty)
testuser1 (empty)
testuser2 (empty)

statement error cannot drop relation "testuser1" because view "testuser2" depends on it
DROP VIEW testuser1

statement error cannot drop relation "testuser1" because view "testuser2" depends on it
DROP VIEW testuser1 RESTRICT

statement ok
DROP VIEW testuser1 CASCADE

query TT
SHOW TABLES FROM test
----
d (empty)

statement error pgcode 42P01 relation "testuser2" does not exist
DROP VIEW testuser2

user root

statement ok
GRANT ALL ON a to testuser

statement ok
GRANT ALL ON b to testuser

statement ok
GRANT ALL ON c to testuser

statement ok
GRANT ALL ON d to testuser

user testuser

statement error user testuser does not have DROP privilege on relation diamond
DROP TABLE a CASCADE

user root

statement ok
DROP TABLE a CASCADE

query TT
SHOW TABLES FROM test
----

statement ok
CREATE VIEW x AS VALUES (1, 2), (3, 4)

statement ok
CREATE VIEW y AS SELECT column1, column2 FROM x

statement error cannot drop relation "x" because view "y" depends on it
DROP VIEW x

statement ok
DROP VIEW x, y

statement ok
CREATE VIEW x AS VALUES (1, 2), (3, 4)

statement ok
CREATE VIEW y AS SELECT column1, column2 FROM x

statement error cannot drop relation "x" because view "y" depends on it
DROP VIEW x

statement ok
DROP VIEW y, x

# Ensure that dropping a database works even when views get referred to more=
# than once. See materialize#15953 for more details.
statement ok
CREATE DATABASE a

statement ok
SET DATABASE=a

statement ok
CREATE TABLE a (a int);

statement ok
CREATE TABLE b (b int);

statement ok
CREATE VIEW v AS SELECT a.a, b.b FROM a CROSS JOIN b

statement ok
CREATE VIEW u AS SELECT a FROM a UNION SELECT a FROM a

statement ok
DROP DATABASE a CASCADE