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MDEV-32090 Test for null-safe equals in join

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This ticket is fixed by MDEV-32555 and this test captures a different use case.
This commit is contained in:
Dave Gosselin 2024-01-08 11:58:29 -05:00 committed by Dave Gosselin
parent 338ed5c42e
commit d0c80c211c
2 changed files with 59 additions and 0 deletions
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27
mysql-test/main/subselect_nulls_innodb.result Normal file
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#
# MDEV-32090 Index does not handle null-safe equals operator correctly in join
#
CREATE TEMPORARY TABLE t1 (
`id` int(10) unsigned NOT NULL,
`number` int(10) unsigned DEFAULT 0,
`name` varchar(47) DEFAULT NULL,
`street` mediumint(8) unsigned DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `streetNumber` (`street`,`number`,`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci;
INSERT INTO t1 (id, number, name, street) VALUES (100733476, 14, NULL, 1115569);
SELECT
b1.id
FROM
t1 b1
INNER JOIN t1 b2 ON (
b1.street = b2.street
AND b1.number <=> b2.number
AND b1.name <=> b2.name
);
id
100733476
DROP TABLE t1;
#
# End of 10.11 tests
#

32
mysql-test/main/subselect_nulls_innodb.test Normal file
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--source include/have_innodb.inc
--echo #
--echo # MDEV-32090 Index does not handle null-safe equals operator correctly in join
--echo #
CREATE TEMPORARY TABLE t1 (
`id` int(10) unsigned NOT NULL,
`number` int(10) unsigned DEFAULT 0,
`name` varchar(47) DEFAULT NULL,
`street` mediumint(8) unsigned DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `streetNumber` (`street`,`number`,`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci;
INSERT INTO t1 (id, number, name, street) VALUES (100733476, 14, NULL, 1115569);
SELECT
b1.id
FROM
t1 b1
INNER JOIN t1 b2 ON (
b1.street = b2.street
AND b1.number <=> b2.number
AND b1.name <=> b2.name
);
DROP TABLE t1;
--echo #
--echo # End of 10.11 tests
--echo #