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Bug#45227: Lost HAVING clause led to a wrong result.

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- Backport testcase from mysql-5.6
This commit is contained in:
Sergey Petrunya
2014-03-07 13:14:58 +01:00
parent f20cab1a83
commit 5ba109c4f6
4 changed files with 117 additions and 0 deletions
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31
mysql-test/r/select_pkeycache.result
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@ -5191,6 +5191,37 @@ WHERE t2.pk <> 2;
pk i pk i pk i
DROP TABLE t1,t2,t_empty;
End of 5.1 tests
#
# Bug#45227: Lost HAVING clause led to a wrong result.
#
CREATE TABLE `CC` (
`int_nokey` int(11) NOT NULL,
`int_key` int(11) NOT NULL,
`varchar_key` varchar(1) NOT NULL,
`varchar_nokey` varchar(1) NOT NULL,
KEY `int_key` (`int_key`),
KEY `varchar_key` (`varchar_key`)
);
INSERT INTO `CC` VALUES
(0,8,'q','q'),(5,8,'m','m'),(7,3,'j','j'),(1,2,'z','z'),(8,2,'a','a'),(2,6,'',''),(1,8,'e'
,'e'),(8,9,'t','t'),(5,2,'q','q'),(4,6,'b','b'),(5,5,'w','w'),(3,2,'m','m'),(0,4,'x','x'),
(8,9,'',''),(0,6,'w','w'),(4,5,'x','x'),(0,0,'e','e'),(0,0,'e','e'),(2,8,'p','p'),(0,0,'x'
,'x');
EXPLAIN SELECT `varchar_nokey` G1 FROM CC WHERE `int_nokey` AND `int_key` <= 4
HAVING G1 ORDER BY `varchar_key` LIMIT 6 ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE CC range int_key int_key 4 NULL 10 Using index condition; Using where; Using filesort
SELECT `varchar_nokey` G1 FROM CC WHERE `int_nokey` AND `int_key` <= 4
HAVING G1 ORDER BY `varchar_key` LIMIT 6 ;
G1
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'z'
Warning 1292 Truncated incorrect DOUBLE value: 'a'
Warning 1292 Truncated incorrect DOUBLE value: 'q'
Warning 1292 Truncated incorrect DOUBLE value: 'm'
Warning 1292 Truncated incorrect DOUBLE value: 'j'
DROP TABLE CC;
# End of test#45227
#
# BUG#776274: substitution of a single row table
#