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ID# Date Type Status Sev Version Target OS Summary Assigned
70802004-12-07
16:23
Server: OptimizerVerified
(1760 days)
S34.0Linux (Linux)Optimizer choose incorrect index Igor Babaev
80362005-01-20
11:12
Server: OptimizerVerified
(1760 days)
S34.0.18, 4.1.10FreeBSD (Free BSD 4.5, Linux)Bad optimization of ORDER BY ... LIMIT 1 if one table is MyISAM, another InnoDB Igor Babaev
119482005-07-14
20:00
Server: OptimizerVerified
(1574 days)
S35.0 MyISAM only, nested JOIN Views, dramatic performance loss Igor Babaev
172592006-02-09
3:23
Server: OptimizerVerified
(386 days)
S55.0.15, 6.0.7Linux (Linux)Query optimizer chooses wrong index Igor Babaev
250682006-12-14
12:56
Server: OptimizerVerified
(404 days)
S34.0.27, 5.0.19, 5.0.36-BKLinux (Linux)MyISAM-Optimizer prefers full table scan than index for IN with >15 elements Igor Babaev
279752007-04-20
13:20
Server: OptimizerVerified
(404 days)
S35.0.38, 5.0.44, 4.1, 5.0, 5.1, 5.2 BKLinux (RHEL 4)optimizer error after discovering impossible where clause in a large view Igor Babaev
294212007-06-28
15:43
Server: OptimizerVerified
(880 days)
S25.1.14-beta/5.0AnyMySQL allows mixing of GROUP columns with no GROUP columns in complex terms Igor Babaev
301592007-07-31
23:46
Server: DMLVerified
(846 days)
S35.1.21-beta-debugLinux (SUSE 10 64-bit)Different results with SELECT FOR UPDATE versus plain SELECT Igor Babaev
314462007-10-08
14:14
Server: OptimizerVerified
(404 days)
S55.0.44, 5.0.37, 6.0.2 AlphaAnyInefficient index use with order by and joins Igor Babaev
338772008-01-15
19:33
Server: TypesVerified
(678 days)
S35.0.54, 5.0.45-communityMicrosoft Windows (XP SP2 Pro)BIT(1) in Where clause causes Impossible WHERE Igor Babaev
339492008-01-20
16:20
Server: ClusterVerifiedS1mysql-5.26.1LinuxCGE test cause mysqld crash in JOIN_CACHE read_ext_key_arg_field Igor Babaev
343102008-02-05
15:51
Server: OptimizerVerified
(658 days)
S55.0.51a-log, 5.0.54Linux (SuSE 10.3)Optimizer is inefficient by using ORDER BY function() and LIMIT Igor Babaev
380562008-07-11
21:14
Server: OptimizerVerified
(501 days)
S34.1, 5.0, 5.1, 6.0-bk,AnyEXPLAIN doesn't report "Using where" for a LEFT JOIN query with ON expression Igor Babaev
399442008-10-09
4:10
Server: OptimizerVerified
(411 days)
S34.1, 5.0, 5,1, 6.0 bzrAnyWith join buffer executor ignores index scan Igor Babaev
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