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ID# Date Updated Type Status Sev Version OS CPU Summary
1078402022-07-11
21:26
2022-07-12
11:51
MySQL Server: OptimizerDuplicate
(626 days)
S3Windows (XP SP3)AnyMySQL 5.6.20
465472009-08-04
16:15
2011-02-16
23:44
MySQL Server: OptimizerDuplicate
(5350 days)
S3AnyAnyAzalea processing simple WHERE / IN subqueries differently than 5.1
602812011-02-28
14:01
2013-01-15
14:37
MySQL Server: OptimizerDuplicate
(4091 days)
S5AnyAnyPerformance suggestion: optimize large and simple "LIMIT" queries
910912018-05-31
13:08
2019-12-16
9:31
MySQL Server: OptimizerDuplicate
(1565 days)
S1>= 5.7.18, 5.7.22AnyAnyInconsistent SELECT...ORDER BY results with euckr charset / euckr_bin collation
178412006-03-01
20:51
2020-05-03
20:45
MySQL Server: OptimizerDuplicate
(6540 days)
S34.0, 4.1, 5.0, 5.1 AnyHAVING ... BETWEEN does not treat a Quoted DATETIME without delimiters properly
518082010-03-07
12:09
2018-09-09
20:45
MySQL Server: OptimizerDuplicate
(5126 days)
S14.0.24,4.1.25,5.0.90,5.1.44,5.5.2AnyAnyupdate .. order by .. limit 1 scans too many rows instead of single index read
234852006-10-20
1:01
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6359 days)
S34.1 AnySELECT NULL IN (SELECT nothing) returns NULL instead of FALSE: unoptimized case
184572006-03-23
14:46
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6535 days)
S34.1 BKLinux (Linux Suse 10)Anywrong, non-empty recordset returned
86322005-02-20
13:11
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6968 days)
S34.1.10 AnySQL_CALC_FOUND_ROWS and DUAL
101642005-04-25
23:20
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6870 days)
S24.1.11Linux (Linux 2.4 debian stable)AnySimple GROUP BY with index gives: ERROR 1032 (HY000): Can't find record in ''
102212005-04-27
22:17
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6892 days)
S24.1.11Linux (Fedora Core 2, x86_64)Anysimple join query can crash mysql server
115942005-06-27
20:47
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6849 days)
S34.1.11Linux (RedHat Linux ES3)AnyCONCAT_WS Behavior
133792005-09-21
13:42
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6407 days)
S34.1.11/BK sourceLinux (Linux 2.4.21)AnyLoss of DB connection with certain subselects
116242005-06-29
0:26
2011-02-16
23:43
MySQL Server: OptimizerDuplicate
(5218 days)
S24.1.12Windows (Windows Server 2003)AnyFollow up on Bug #11254
112232005-06-10
2:08
2005-06-10
12:21
MySQL Server: OptimizerDuplicate
(6867 days)
S14.1.12/4.1.13 BKWindows (Windows)Any Cybozu's mysqld has been crashed at special query
151462005-11-22
18:46
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6481 days)
S34.1.13-ntAny (All)AnyLarge tables joined on a null key should be faster
128832005-08-30
15:18
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6771 days)
S34.1.14FreeBSD (freebsd, Windows)Anymin/max inconsistent behaviour in amount of retuned rows
128902005-08-30
18:17
2020-05-03
20:45
MySQL Server: OptimizerDuplicate
(6737 days)
S34.1.14/5.0 BK* / freebsdAnygroup_concat with order, not distinct in join
187892006-04-05
7:55
2006-04-06
7:02
MySQL Server: OptimizerDuplicate
(6567 days)
S34.1.18Linux (Linux x86_64)AnySubselect slower than hand written statement
217052006-08-17
22:50
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6413 days)
S24.1.21/4.1/5.0/5.1BKLinux (Linux)AnyCOUNT(DISTINCT field) with GROUP BY forces incorrect behaviour of LIMIT
600342011-02-09
6:06
2018-09-09
20:45
MySQL Server: OptimizerDuplicate
(4113 days)
S14.1.25,5.0.92,5.1.56,5.5.10,5.6.2AnyAnyvalgrind errors then assertion in make_sortkey when grouping by make_set
81392005-01-26
7:49
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(5626 days)
S34.1.8Linux (Linux)Anysubselect index not used for "in" but used for "="
211842006-07-20
15:25
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6401 days)
S25.0Any (all)AnyBug with a Query with "NOT IN"
348692008-02-27
2:00
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(5761 days)
S35.0AnyAnyAlmost 300% regression in index merge intersect performance
198432006-05-16
10:16
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6527 days)
S15.0, 5.1 Anycrash in WHERE NOT IN()
334022007-12-20
13:41
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(5943 days)
S35.0, 5.1, 6.0AnyAnyROUND with decimal and non-constant cannot round to 0 decimal places
475412009-09-23
8:19
2018-09-09
20:45
MySQL Server: OptimizerDuplicate
(4113 days)
S25.0, 5.1, nextAnyAnyMIN/MAX does not work when applined on a subquery with two left outer join
460912009-07-09
15:14
2022-09-04
20:45
MySQL Server: OptimizerDuplicate
(5043 days)
S35.0,5.1,5.4AnyAnySTRAIGHT_JOIN + RIGHT JOIN returns different result
480442009-10-14
15:13
2022-09-04
20:45
MySQL Server: OptimizerDuplicate
(5142 days)
S35.0,5.1,6.0AnyAnyMySQL processing HAVING clauses incorrectly without DISTINCT clause
162472006-01-06
9:03
2012-05-18
20:19
MySQL Server: OptimizerDuplicate
(6416 days)
S35.0.18Linux (Linux, MacOSX)AnyCompound (cola,colb) IN ((x,y)) statements do not use indexes.
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