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| ID# | Date | Updated | Type | Status | Sev | Version | Target | OS | Summary | Assigned |
|---|---|---|---|---|---|---|---|---|---|---|
| 38550 | 2008-08-04 21:47 | 2011-02-16 23:43 | MySQL Server: Optimizer | Verified (3231 days) | S5 | 5.0.60, 5.1 | Any | multiple optimizer bugs for queries with references from preceding table | ||
| 72032 | 2014-03-13 9:38 | 2014-03-14 8:08 | MySQL Server: DML | Verified (1257 days) | S5 | Server version: 5.0.67-community-nt MySQ, 5.5.38, 5.6.18 | Microsoft Windows (Windows 7 日语版 SP1) | union和order错误 | ||
| 78407 | 2015-09-11 12:45 | 2015-09-15 7:50 | MySQL Server: Optimizer | Analyzing (706 days) | S5 | 7.4.6/5.6.24 | Linux | wrong index being used in subqueries? | Umesh Shastry | |
| 58234 | 2010-11-16 16:26 | 2014-02-26 12:47 | MySQL Server: InnoDB storage engine | Verified (2073 days) | S5 | 5.1.49-r1, 5.5.20 | Any | LENGTH() / OCTET_LENGTH() on BLOB field very slow | ||
| 63905 | 2012-01-02 23:47 | 2012-01-16 18:35 | MySQL Server: Optimizer | Verified (2044 days) | S5 | 5.1.60 | Microsoft Windows | handler_read_next is suprisingly high and slows queries | ||
| 59870 | 2011-02-01 13:40 | 2016-10-26 4:52 | MySQL Server: Views | Verified (2391 days) | S5 | 5.0.89, 5.1.56, 5.5.8, 5.5.10 | Any | Slow VIEWS by using UNION | ||
| 34310 | 2008-02-05 14:51 | 2013-12-18 14:03 | MySQL Server: Optimizer | Verified (1342 days) | S5 | 5.0.51a-log, 5.0.54, 5.6.14 | Linux | Optimizer is inefficient by using ORDER BY function() and LIMIT | ||
| 75272 | 2014-12-19 8:34 | 2016-07-07 15:40 | Connector / NET | Verified (410 days) | S5 | 6.9.5.0 | Microsoft Windows | Poor performance with Entity Framework Include Queries and Order By | ||
| 49276 | 2009-12-01 17:03 | 2011-02-16 23:44 | MySQL Server: Optimizer | Verified (2820 days) | S5 | 5.0.85-community-log, 5.0.89, 5.1.42 | Linux | Optimization for IN (on InnoDB tables) depends on number of set elements | ||
| 41871 | 2009-01-05 15:47 | 2011-02-16 23:43 | MySQL Server: MyISAM storage engine | Verified (2880 days) | S5 | 5.1.30 | Any (MS Windows, Mac OS X) | Select + Index + Limit + offset on large MyIsam tables give very bad performance |
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