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ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
---|---|---|---|---|---|---|---|---|---|
24251 | 2006-11-13 10:58 | 2018-09-09 20:45 | MySQL Server: Optimizer | In progress (5259 days) | S5 | 5.0.30-BK, 5.1.12 | Linux (Linux, Win XP SP2) | Any | Non-optimal choice of indexes for queries |
14638 | 2005-11-04 13:10 | 2012-05-18 20:19 | MySQL Server: General | Verified (5240 days) | S5 | 5.0-BK, 5.1.43-bzr | Any (any) | Any | ptr_compare processes data only byte wise |
22487 | 2006-09-19 17:57 | 2020-05-03 20:45 | MySQL Server: DDL | Verified (6244 days) | S5 | 5.0.26 | Any | Any | mysql performs extremely slow when creating unique indexes on huge table |
36817 | 2008-05-20 13:19 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5400 days) | S5 | 5.0.54a,5.1.19, 5.1.25, 5.0.60, 5.5 | Any | Any | Non optimal index choice, depending on index creation order |
38251 | 2008-07-21 0:29 | 2020-05-03 20:45 | MySQL Server: Optimizer | Verified (5749 days) | S5 | 5.0.51 | Any | Any | Useless external queries should be ignored |
55606 | 2010-07-28 15:25 | 2015-08-30 17:21 | MySQL Server: Charsets | Verified (3996 days) | S5 | 5.1.47, 5.1.50-bzr, 5.5.23, 5.6.11 | Linux | Any | Charset on ENUMS influencing performance too much |
55733 | 2010-08-04 8:47 | 2012-05-18 20:19 | MySQL Server: Replication | Verified (4802 days) | S5 | 5.1.37 | Linux (CentOS 5.3) | Any | replication I/O slave is replicating statements that should be ignored |
59727 | 2011-01-25 21:36 | 2016-12-04 20:45 | MySQL Server: InnoDB storage engine | Verified | S5 | 5.1 plugin, 5.5, 5.6 | Any | Any | LRU search can be inefficient with compression |
62018 | 2011-07-28 15:15 | 2018-02-11 20:45 | MySQL Server: InnoDB storage engine | Verified (4109 days) | S5 | 5.6.3 | Any | Any | innodb adaptive hash index mutex contention |
64344 | 2012-02-15 17:00 | 2015-01-16 19:40 | MySQL Server: InnoDB Plugin storage engine | Verified (4422 days) | S5 | 5.1.52 | Any | Any | malloc, free done for compressed pages when buffer pool mutex locked |
65177 | 2012-05-02 9:43 | 2020-05-03 20:45 | MySQL Server: Optimizer | Verified (4363 days) | S5 | 5.1,5.5 | Any | Any | perromance issue of "order by rand()" |
68554 | 2013-03-03 16:16 | 2022-03-14 16:43 | MySQL Server: Optimizer | Verified (4048 days) | S5 | 5.6.10 | Any | Any | Optimizer wrongly choses covering index over ICP |
69276 | 2013-05-18 19:23 | 2014-11-05 15:15 | MySQL Server: InnoDB storage engine | Verified (3986 days) | S5 | 5.6.11 | Any | Any | fil_system->mutex contention limits block read rate with fast storage |
70265 | 2013-09-06 18:10 | 2015-08-23 20:45 | MySQL Server: Partitions | Verified (3873 days) | S5 | 5.6.13 | Any | Any | Optimizer under-estimates rows when there are many unmatched partitions |
70950 | 2013-11-19 7:03 | 2015-06-28 20:45 | MySQL Server: InnoDB storage engine | Verified (3801 days) | S5 | 5.7+ | Any | Any | log_sys->mutex is so hot in pure write cases |
71804 | 2014-02-22 22:29 | 2020-09-13 20:45 | MySQL Server: Optimizer | Verified (3467 days) | S5 | 5.6.6 m9, 5.5.32, 5.1.61 | Any (sqlfiddle.com) | Any | Unnecessary filesort when joining on unique column using group by. |
23327 | 2006-10-16 9:15 | 2012-05-18 20:19 | MySQL Server | In progress (6039 days) | S3 | 4.1 BK, 5.0 BK, 5.1 BK | Windows (XP) | Any | Strange mapping of certain values for system variable |
25597 | 2007-01-12 21:55 | 2017-05-21 20:45 | MySQL Server: Replication | In progress (6277 days) | S3 | 5.0, 5.1 | Any (All) | Any | Extraneous error message displayed for slave SQL thread errors. |
32571 | 2007-11-21 13:03 | 2022-12-04 20:45 | MySQL Server: DDL | In progress (2565 days) | S3 | 5.0.37, 5.1, 5.6, 5.7 | Linux (Windows, Ubuntu) | Any | CREATE TABLE options are dependant on the order of specification |
37466 | 2008-06-17 22:48 | 2020-09-13 20:45 | MySQL Server: Replication | In progress (5661 days) | S3 | 5.1.23-rc | Any | Any | Adding field to Log_event header not backward compatible |
39381 | 2008-09-11 3:27 | 2014-06-29 20:45 | Connector / ODBC | In progress (5696 days) | S3 | 5.1 | Any | Any | Strings not supported through SQLGetDescField() |
43468 | 2009-03-06 22:39 | 2017-05-21 20:45 | MySQL Server: Row Based Replication ( RBR ) | In progress | S3 | 5.1+ | Any | Any | modified_non_trans_table is not set in replicated stmt/trans |
43695 | 2009-03-17 9:56 | 2021-05-02 20:45 | MySQL Cluster: Cluster (NDB) storage engine | In progress (5181 days) | S3 | mysql-5.1-telco-6.3 | Solaris | Any | Wrong error msg when NoOfFragmentLogFiles out of range |
44791 | 2009-05-11 13:52 | 2016-05-29 20:45 | Connector / J | In progress (3982 days) | S3 | 5.1.7 | Windows | Any | Setting/getting holdability on connection does not work properly |
45130 | 2009-05-27 13:03 | 2013-03-03 20:45 | MySQL Server: FULLTEXT search | In progress (5333 days) | S3 | 5.0 and later | Any | Any | Incorrect results with multiple MATCH() against a table with no fulltext indexes |
46493 | 2009-07-31 13:06 | 2020-10-21 21:16 | MySQL Server: MyISAM storage engine | In progress (5150 days) | S3 | 5.1-bzr | Any | Any | CHECKSUM TABLE EXTENDED returns different value from QUICK if ROW_FORMAT=FIXED |
48089 | 2009-10-15 15:41 | 2021-05-02 20:45 | MySQL Cluster: Disk Data | In progress (5152 days) | S3 | mysql-5.1-telco-7.0 | Any | Any | Can't change UNDO_BUFFER_SIZE with ALTER LOGFILE GROUP ... |
48359 | 2009-10-27 19:24 | 2012-05-18 20:19 | MySQL Cluster: Cluster (NDB) storage engine | In progress (5046 days) | S3 | mysql-5.1-telco-7.1 | Linux (RHEL 4) | Any | ALTER TABLE xx COMMENT - locks large tables |
48703 | 2009-11-11 21:58 | 2022-09-04 20:45 | MySQL Server: Optimizer | In progress (5063 days) | S3 | 5.0+ | Any | Any | nontrivial ORDER/GROUP BY expressions: ambiguous statements not detected |
52653 | 2010-04-07 11:05 | 2021-05-02 20:45 | MySQL Cluster: Cluster (NDB) storage engine | In progress (4907 days) | S3 | mysql-5.1-telco-6.3 | Any | Any | Record size have changed from 8052B to 8048B |
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