distinct_from.slt

# 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.

mode cockroach

query T
SELECT 1 IS DISTINCT FROM 1
----
false

query T
SELECT 1 IS DISTINCT FROM 2
----
true

query T
SELECT 1 IS DISTINCT FROM NULL
----
true

query T
SELECT NULL IS DISTINCT FROM 1
----
true

query T
SELECT NULL IS DISTINCT FROM NULL
----
false

query T
SELECT 1 IS NOT DISTINCT FROM 1
----
true

query T
SELECT 1 IS NOT DISTINCT FROM 2
----
false

query T
SELECT 1 IS NOT DISTINCT FROM NULL
----
false

query T
SELECT NULL IS NOT DISTINCT FROM 1
----
false

query T
SELECT NULL IS NOT DISTINCT FROM NULL
----
true