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ID# Date Updated Type Status Sev Version OS CPU Summary
490782009-11-24
21:31
2009-11-30
14:54
MySQL Server: OptimizerNot a Bug
(5233 days)
S3AnyAnyMySQL orders NULLS differently than JavaDB and Postgres (first rather than last)
851502017-02-23
13:06
2017-02-23
14:51
MySQL Server: OptimizerNot a Bug
(2591 days)
S5AnyAnyMYSQL Performance Issue in CLOUD
975752019-11-11
9:28
2019-11-11
12:47
MySQL Server: OptimizerNot a Bug
(1600 days)
S3CentOSx86the max() is wrong
1058362021-12-08
13:40
2021-12-16
13:03
MySQL Server: OptimizerNot a Bug
(834 days)
S3AnyAnyKeyFields are optimzied away with no collation in Item::eq_by_collation
1069872022-04-12
7:30
2022-04-12
14:09
MySQL Server: OptimizerNot a Bug
(717 days)
S3AnyAnywhen set prefer_ordering_index=off, a very simple sql become very slow
1075592022-06-14
8:45
2022-06-14
12:23
MySQL Server: OptimizerNot a Bug
(654 days)
S3AnyAnyWhy Switch_ref_item_slice in TemptableAggregateIterator::Init
293572007-06-26
11:34
2007-08-06
7:39
MySQL Server: OptimizerNot a Bug
(6080 days)
S2 5.1.19-beta-log MySQL, 5.0 BKAnyAnyFiltering on view with group don't works.
954622019-05-21
18:42
2023-02-06
18:59
MySQL Server: OptimizerNot a Bug
(1709 days)
S3 8.0.16AnyAnyData comparison broke in MySQL 8.0.16
1084542022-09-10
21:59
2022-09-23
16:41
MySQL Server: OptimizerNot a Bug
(553 days)
S312cAnyx86LEAD/LAG results do not filter as original column
800432016-01-19
6:19
2018-10-25
8:46
MySQL Server: OptimizerNot a Bug
(1982 days)
S314.14 Distrib 5.6.27, for Linux (x86_64)Ubuntu (Linux Mint 17 Qiana (Ubuntu 14.04 LTS))AnyNo double escapes required inside square brackets
96932005-04-06
19:29
2005-06-20
5:38
MySQL Server: OptimizerNot a Bug
(6857 days)
S33.23.41, 4.0.24, 4.1Linux (linux)Anybug in trying to join a value on a range (using indexes)
243412006-11-15
18:28
2006-11-21
16:37
MySQL Server: OptimizerNot a Bug
(6338 days)
S54, 5Any (All)AnyPerformance problem when using ORDER BY in fulltext query
142202005-10-21
21:00
2017-11-16
7:45
MySQL Server: OptimizerNot a Bug
(2326 days)
S34.0, 4.1, 5.0, 5.1AnyAnyOptimizer does not use index when using numeric lookup on varchar field (MyISAM)
105122005-05-10
14:21
2005-05-17
12:27
MySQL Server: OptimizerNot a Bug
(6891 days)
S24.0.25 forward AnyOptimizer selecting wrong index with composite indexes
102662005-04-29
15:47
2005-06-09
17:17
MySQL Server: OptimizerNot a Bug
(6868 days)
S24.1Windows (Windows 2000)AnyOrder of multiple left joins matters?
113032005-06-14
1:40
2005-06-14
13:50
MySQL Server: OptimizerNot a Bug
(6863 days)
S14.1Windows (windows)Anysql bug
110712005-06-03
12:59
2005-06-27
13:27
MySQL Server: OptimizerNot a Bug
(6850 days)
S14.1 bk treeLinux (linux)AnySELECT crashes MySQL server
117132005-07-03
20:36
2005-07-21
14:51
MySQL Server: OptimizerNot a Bug
(6826 days)
S34.1-bk AnyOUTER JOIN incorrectly converted to INNER for complex WHERE clause
86522005-02-21
16:28
2010-05-12
5:07
MySQL Server: OptimizerNot a Bug
(6869 days)
S34.1.10AnyAnygroup by part of rand() returns duplicate key error
88102005-02-25
16:15
2005-02-26
21:22
MySQL Server: OptimizerNot a Bug
(6971 days)
S24.1.10Linux (Linux kernel 2.4.26)Anyuser variables' behaviour depends on using DISTINCT
92282005-03-16
18:37
2005-04-26
21:31
MySQL Server: OptimizerNot a Bug
(6912 days)
S34.1.10Any (*)Anyoptimizer on alternating function with no ref to columns
94512005-03-29
12:58
2005-03-29
19:47
MySQL Server: OptimizerNot a Bug
(6940 days)
S34.1.10-nt-logWindows (Windows XP)AnySelecting rows with null primary key does not always return the empty set
96892005-04-06
17:37
2005-04-22
21:10
MySQL Server: OptimizerNot a Bug
(6916 days)
S34.1.11Any (*)Anywrong result for subselect in on duplicate key update (query cache)
129342005-09-01
17:42
2005-09-08
23:16
MySQL Server: OptimizerNot a Bug
(6777 days)
S24.1.11-standard, 4.1.14-ntLinux (Linux, Windows)AnySelect without `where` does not show row that same select with `where` returns
113462005-06-15
9:48
2005-07-16
20:31
MySQL Server: OptimizerNot a Bug
(6831 days)
S34.1.12Linux (Linux Fedora Core 2)Anyslow query due to datatype cast?
121062005-07-22
8:40
2006-03-29
13:38
MySQL Server: OptimizerNot a Bug
(6575 days)
S34.1.12a-nt, 5.0.9-beta-ntWindows (XP)AnyEXPLAIN shows incorrect select_type for subquery
138742005-10-09
16:23
2006-10-27
0:42
MySQL Server: OptimizerNot a Bug
(6363 days)
S34.1.14, 5.0.13, 5.0.15-BKLinux (Linux, Windows, FreeBSD)AnyIncorrect subquery handling in "exists"
178472006-03-01
23:57
2006-05-04
15:47
MySQL Server: OptimizerNot a Bug
(6539 days)
S54.1.19-BK, 4.0.24Linux (Linux, FreeBSD)AnyComplex WHERE/ORDER/LIMIT runs much slower with DESC than ASC
209442006-07-10
15:25
2006-10-19
2:13
MySQL Server: OptimizerNot a Bug
(6371 days)
S24.1.22-BK, 4.1.20, 5.0.22, 5.0.25-BKLinux (Linux, freebsd)Anyoptimizer estimates more rows if condition gets narrowed / combined key / range
126052005-08-16
16:50
2005-08-17
0:43
MySQL Server: OptimizerNot a Bug
(6799 days)
S25.0 AnyJOIN with ON condition gets now error response
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