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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 47330 | 2009-09-15 15:39 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (4702 days) | S5 | 5.0.77, 5.1.34, 5.1.37 | Linux (Debian x64) | Any | Slow query with left join and having. |
| 37264 | 2008-06-07 22:35 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5044 days) | S5 | 5.1.24-rc 5.1.29-rc 5.1.30 | Any | Any | MySQL wrongly uses filesort |
| 69219 | 2013-05-13 20:14 | 2013-05-13 20:32 | MySQL Server: Optimizer | Verified (3374 days) | S5 | 5.6.12 | Any | Any | CREATE TEMPORARY TABLE ... SELECT is slower on 5.6 than on 5.1 |
| 75981 | 2015-02-20 13:56 | 2017-11-05 7:12 | MySQL Server: InnoDB storage engine | Verified (2678 days) | S5 | 5.7.6 | Any | Any | MySQL 5.7.5 30% slower than 5.6.23 for 1 thread write |
| 89149 | 2018-01-08 23:41 | 2018-01-16 17:07 | MySQL Server: Optimizer | Verified (1665 days) | S5 | 5.7.20 | Red Hat (7.4) | Any | SELECT DISTINCT on multiple TEXT columns is slow |
| 68979 | 2013-04-17 3:47 | 2018-07-11 15:11 | MySQL Server: Optimizer | Verified (3365 days) | S5 | 5.6.10 | Linux | Any | performance regression of MySQL 5.6.10? |
| 100537 | 2020-08-15 8:11 | 2020-08-17 12:02 | MySQL Server: SYS Schema | Verified (721 days) | S5 | 8.0.21 | Ubuntu (18.04 LTS) | x86 | Performance degradation caused by monitoring sys.innodb_lock_waits in MySQL 8.0 |
| 101459 | 2020-11-04 13:05 | 2022-02-28 15:34 | MySQL Server: Optimizer | Verified (177 days) | S5 | 5.6.50,5.7.32 | Any | Any | With more than one value in IN() clause, query skip index use. |
| 25891 | 2007-01-27 14:17 | 2013-03-03 20:45 | MySQL Server: MyISAM storage engine | Verified (5325 days) | S3 | 5.0.36-BK, 5.0.27 | Linux (Linux) | Any | Creation of temporary table with key causing error 124 |
| 26284 | 2007-02-12 12:32 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5384 days) | S3 | 5.0.bk | Linux (Linux) | Any | bug #26273 / optimize, not executed for index, if datafile is gap-free |
| 30302 | 2007-08-08 12:41 | 2020-05-03 20:45 | MySQL Server: Optimizer | Verified (4466 days) | S3 | 5.0.40, 5.1, 5.2, 5.0 BK | Any | Any | Query from EXPLAIN EXTENDED .. SHOW WARNINGS returns different result |
| 36211 | 2008-04-18 22:09 | 2016-02-25 12:24 | MySQL Server: Command-line Clients | Verified | S3 | 5.0.56 | Any | Any | mysql client rejects "--" comments that server accepts |
| 38397 | 2008-07-27 20:13 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5124 days) | S3 | 5.1.26, 5.0.62 | Any | Any | select distinct + order by desc is executed inefficiently |
| 38257 | 2008-07-21 12:45 | 2011-02-16 23:43 | MySQL Server: User-defined functions ( UDF ) | Verified (5116 days) | S3 | 5.0, 5.1 | Any | Any | Documentation for initid->max_length not correct |
| 38570 | 2008-08-05 12:13 | 2011-02-16 23:43 | MySQL Server: User-defined functions ( UDF ) | Verified (5113 days) | S3 | 5.0, 5.1 | Any | Any | calling UDF causes a server crash |
| 41785 | 2008-12-29 16:41 | 2012-05-18 20:19 | MySQL Server: C API (client library) | Verified (4970 days) | S3 | 5.0, 5.1, 6.0 bzr | Any | Any | C API doesn't know about change in server status after COM_CHANGE_USER |
| 43451 | 2009-03-06 10:28 | 2018-09-09 20:45 | MySQL Server: Data Types | Verified (4903 days) | S3 | 5.0, 5.1, 6.0 bzr | Linux | Any | Wrong varchar to decimal conversion |
| 44009 | 2009-04-01 8:27 | 2011-02-16 23:43 | MySQL Server: Information schema | Verified (4828 days) | S3 | 5.1.33, 5.1, 6.0 bzr | Any | Any | Weird error while querying `TABLES` against not existing `TABLE_SCHEMA` |
| 45876 | 2009-07-01 13:14 | 2017-12-16 9:57 | MySQL Server: Storage Engine API | Verified | S3 | 5.1.35 | Any | Any | SHOW ENGINES output is inaccurate |
| 48779 | 2009-11-15 11:28 | 2011-02-16 23:44 | MySQL Server: DDL | Verified (4648 days) | S3 | 5.1.40 | Windows (XP64) | Any | bogus 'unknown database' error when encoding long table names on windows |
| 48077 | 2009-10-15 12:04 | 2011-02-16 23:44 | MySQL Server: DDL | Verified (4679 days) | S3 | 6.0.14, 5.5.3-m3, 5.1.47 | Any | Any | Issues with warnings on adding long comments to table/col/index after upgrade |
| 48103 | 2009-10-16 0:32 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified | S3 | 5.1, 6.0 | Any | Any | Using STRAIGHT_JOIN with Innodb tables can produce duplicate results |
| 48190 | 2009-10-20 14:59 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified | S3 | 5.1,6.0 | Any | Any | Error processing ALL subqueries on empty sets - different than JavaDB/Postgres |
| 49609 | 2009-12-11 5:10 | 2012-05-18 20:19 | MySQL Server: General | Verified (4611 days) | S3 | 5.1.38, 5.1, next-mr | Any | Any | check_db_name is incorrect for single-byte character sets |
| 50218 | 2010-01-11 0:25 | 2011-02-16 23:44 | MySQL Server: Command-line Clients | Verified (4592 days) | S3 | 5.1.42 | Windows | Any | CTRL-C behavior faulty for mysql client on Windows |
| 52283 | 2010-03-22 19:10 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (4521 days) | S3 | 5.1.46 | Any | Any | Innodb reports extra warnings when SELECT/WHERE is performed using invalid value |
| 53216 | 2010-04-27 17:39 | 2011-02-16 23:44 | MySQL Server: Prepared statements | Verified | S3 | 5.5.3-m3, 5.5.4-m3 | Any | Any | Unrelated DDL causes repreparation of a prepared statement |
| 56264 | 2010-08-25 17:41 | 2011-02-16 23:44 | MySQL Server: Options | Verified (4365 days) | S3 | 5.1.47, 5.1.51-bzr | Linux | Any | Command-line options are case-sensitive but don't throw errors |
| 57188 | 2010-10-01 21:58 | 2013-03-03 20:45 | MySQL Server: Archive storage engine | Verified (4329 days) | S3 | 5.1.51, 5.5.6 | Any | Any | checksum table gives 0 until 'show table status' is run against the table |
| 57049 | 2010-09-28 2:59 | 2011-02-16 23:44 | MySQL Server: General | Verified (4332 days) | S3 | 5.1.50, 5.1, 5.6.99 bzr | Linux | Any | mysqldump unhappy with /var/lib/mysql directories with leading dot |
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