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ID# | Date | Updated | Type | Status | Sev | Version | Target | OS | CPU | Summary | Assigned |
---|---|---|---|---|---|---|---|---|---|---|---|
87947 | 2017-10-03 4:00 | 2018-06-11 19:57 | MySQL Server: Optimizer | Verified (497 days) | S5 | 5.7.19 | Any | Any | Optimizer chooses ref over range when access when range access is faster | ||
38550 | 2008-08-04 21:47 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (3777 days) | S5 | 5.0.60, 5.1 | Any | 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 (1803 days) | S5 | Server version: 5.0.67-community-nt MySQ, 5.5.38, 5.6.18 | Microsoft Windows (Windows 7 日语版 SP1) | Any | union和order错误 | ||
63905 | 2012-01-02 23:47 | 2012-01-16 18:35 | MySQL Server: Optimizer | Verified (2590 days) | S5 | 5.1.60 | Microsoft Windows | Any | handler_read_next is suprisingly high and slows queries | ||
78407 | 2015-09-11 12:45 | 2015-09-15 7:50 | MySQL Server: Optimizer | Analyzing (1252 days) | S5 | 7.4.6/5.6.24 | Linux | Any | 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 (2619 days) | S5 | 5.1.49-r1, 5.5.20 | Any | Any | LENGTH() / OCTET_LENGTH() on BLOB field very slow | ||
59870 | 2011-02-01 13:40 | 2018-09-09 20:45 | MySQL Server: Views | Verified (2937 days) | S5 | 5.0.89, 5.1.56, 5.5.8, 5.5.10 | Any | Any | Slow VIEWS by using UNION | ||
89379 | 2018-01-24 11:41 | 2018-06-18 8:35 | MySQL Server: Performance Schema | Verified (390 days) | S5 | 5.7.20, 5.7.21 | Any | Any | summary_by_user tables get extremely slow with many users. | Marc Alff | |
8113 | 2005-01-24 15:43 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (3471 days) | S5 | 5.0, 5.1, azalea bzr | Any | Any | Select with between optimization | ||
34310 | 2008-02-05 14:51 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (1888 days) | S5 | 5.0.51a-log, 5.0.54, 5.6.14 | Linux | Any | Optimizer is inefficient by using ORDER BY function() and LIMIT |
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