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ID# Date Updated Type Status Sev Version OS CPU Summary
114132005-06-17
11:48
2005-07-23
13:08
MySQL Server: OptimizerNo Feedback
(6823 days)
S34.1.10LinixAnyMerge Tables, Analize Table and Optomizer
116062005-06-28
9:53
2005-07-28
17:10
MySQL Server: OptimizerNo Feedback
(6818 days)
S24.1.11-standard-logLinux (Fedora Core 2)AnyDuplicate key error in SELECT query
116082005-06-28
10:58
2005-08-01
15:44
MySQL Server: OptimizerNo Feedback
(6814 days)
S24.0.17Linux (Linux Kernal 2.24)AnyExplain select gives two different output, which makes optimisation difficult
150762005-11-20
1:39
2005-12-25
7:27
MySQL Server: OptimizerNo Feedback
(6668 days)
S35.0.15-GApc-solaris2.10 (i386)Anyindex handeled incorrectly if part of a composite index is used
213482006-07-30
10:37
2006-09-30
12:46
MySQL Server: OptimizerNo Feedback
(6389 days)
S55.0.21Windows (Windows)AnyMemory storage engine poor performance relative to 4.1.20 and HASH vs BTREE
214862006-08-07
16:57
2006-11-01
10:12
MySQL Server: OptimizerNo Feedback
(6357 days)
S25.0.22Linux (Linux)AnyNo index merge for ENUM columns
254592007-01-08
2:39
2007-02-28
13:34
MySQL Server: OptimizerNo Feedback
(6238 days)
S35.0Any (any)AnyInnoDB prefers table scan over using primary key
269152007-03-07
11:54
2007-04-21
14:04
MySQL Server: OptimizerNo Feedback
(6186 days)
S55.0.27Linux (Redhat Linux RHEL4)AnySlow quering due to optimizer choosing incorrect index utilisation
257442007-01-22
0:33
2007-05-12
16:57
MySQL Server: OptimizerNo Feedback
(6165 days)
S15.0.22Linux (CentOs 4.4)AnyNested Selects Crashing MySQL
274792007-03-27
18:12
2007-05-30
7:26
MySQL Server: OptimizerNo Feedback
(6147 days)
S55.0.37Linux (Linux 2.6)AnyORDER BY performance regression
274672007-03-27
10:37
2007-05-30
7:49
MySQL Server: OptimizerNo Feedback
(6147 days)
S35.1.16-beta-logAnyAnyMAX don't optimized.
286122007-05-23
7:30
2007-06-24
13:27
MySQL Server: OptimizerNo Feedback
(6122 days)
S55.0.37AnyAnyOptimizer does not use index for BETWEEN in a JOIN condition
301802007-08-01
14:49
2007-09-01
23:29
MySQL Server: OptimizerNo Feedback
(6053 days)
S25.0.37-communityAnyAnyGetting broken tmp key file on complex query
303302007-08-09
11:35
2007-09-27
5:20
MySQL Server: OptimizerNo Feedback
(6027 days)
S54.1.12-logLinux (Gentoo)AnyNOT IN faster than equals(=)
309272007-09-10
9:24
2007-10-10
14:43
MySQL Server: OptimizerNo Feedback
(6014 days)
S15.0.45Windows (Prof)Anyno key is used when using stored function
310792007-09-18
13:20
2007-10-29
17:55
MySQL Server: OptimizerNo Feedback
(5995 days)
S55.1.20-betaLinux (2.6.9-34.ELsmp)AnyOptimizer slow with multiple joins of same tables
292862007-06-21
21:02
2007-11-21
8:38
MySQL Server: OptimizerNo Feedback
(5972 days)
S3>=4.1LinuxAnyProblems with index when using concat function for joining
321462007-11-06
14:07
2008-01-08
19:39
MySQL Server: OptimizerNo Feedback
(5924 days)
S25.0.44 Gentoo Linux mysql-5.0.44Linux (Linux pavhome 2.6.22-gentoo-r8 #1 SMP Wed Oct 10 21:25:31 NOVST 2007 i686 Intel(R) Core(TM)2 CPU 660)AnyOptimizer crushes under high load
262242007-02-09
15:21
2008-01-30
20:13
MySQL Server: OptimizerNo Feedback
(5902 days)
S25.1.22_rcLinux (GNU/Linux)Anyoptimizer ignores keys in stored procedures
139172005-10-11
8:54
2008-02-09
13:41
MySQL Server: OptimizerNo Feedback
(5892 days)
S55.0.14-rc, 5.0.27Linux (Linux, RedHat AS 3)Any5.0 is slower than 4.1 on many queries
322722007-11-12
10:33
2008-09-09
6:04
MySQL Server: OptimizerNo Feedback
(5679 days)
S55.0.42, 5.0.51Solaris (Solaris 10 U4 patch 120012-14)Anyinnodb does sequential scan even when index should be used
332512007-12-14
19:41
2008-10-14
16:18
MySQL Server: OptimizerNo Feedback
(5644 days)
S25.0.52 5.0.54 5.0.58 5.0.66aLinux (x86)AnyMySQL segfault after select in optimizer opt_range.cc -Field_string:type method.
95232005-03-31
13:15
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5187 days)
S25.0.9-beta, 4.1.10aWindows (Windows XP)Anyabuse of index in simple query
119452005-07-14
16:23
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5186 days)
S25.0.7Linux (Linux /Fedora 3)AnyIndex not used in 'OUTER JOIN b ON (a.a = b.a OR a.a = b.b)'
298572007-07-17
21:11
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5441 days)
S35.0.41, 5.0.45, 5.0.67Linux (64 bit, gcc 4.1.1)AnyOptimizer is getting confused by extra WHERE condition
269432007-03-07
23:57
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5241 days)
S25.0.27, 5.0.22, 5.0.68Linux (linux(centos 4.4 server))Any64bit mysql 5 hangs on removing duplicate after query distinct,group by,order by
430672009-02-20
21:22
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5270 days)
S56.0.9-alpha-communityWindowsAnyBug on index query
428982009-02-16
18:25
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5485 days)
S25.0.67Linux (Red Hat ES 4 Update 5)AnySlow mysql response time
306862007-08-29
9:37
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5412 days)
S25.1.20-beta-community-nt-debug, 5.1.30Windows ((via TCP/IP))Anyinappropriate LIMIT behavior on partitioned single-table query sorted by PK
427592009-02-11
12:35
2011-02-16
23:43
MySQL Server: OptimizerNo Feedback
(5218 days)
S55.0.51, 5.1.30LinuxAnyoptimizer choosing different plans/index for the same query
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