Materialize/test/sqllogictest/github-7467.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.

# Regression test for database-issues#7467.

# The schema is a simplified version of
# https://github.com/MaterializeInc/RQG/blob/main/conf/mz/simple.sql

statement ok
CREATE TABLE t1 (f1 INT, f2 INT NOT NULL);

statement ok
INSERT INTO t1 VALUES (2, 2), (2, 2), (3, 3);

statement ok
CREATE TABLE t2 (f1 INT, f2 INT NOT NULL);

statement ok
INSERT INTO t2 VALUES (NULL, 0);

# Prior to the bugfix for database-issues#7467 this query was (wrongly) returning a single
# row.
query II
SELECT DISTINCT
  (a1.f1) AS c1,
  (a1.f2) AS c2
FROM
  t1 AS a1
  JOIN (VALUES(1, 2)) AS a2(f1, f2) ON (a2.f2 = a1.f1)
WHERE
  a1.f2 + a2.f2 > (SELECT DISTINCT 0 c2 FROM t2 AS a1) AND a2.f2 IS NULL
  OR NULLIF (a2.f2, a2.f1) = a1.f2 + a1.f2;
----