MySQL Bugs MySQL AB Bugs Database http://bugs.mysql.com/ MySQL Bugs http://bugs.mysql.com/images/mysql_100x52-64.gif http://bugs.mysql.com/ http://bugs.mysql.com/29443 #29443: cost calculations are off http://bugs.mysql.com/bug.php?id=29443 Submitted by: Matthew Lord
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.1.19
]]> Fri, 29 Jun 2007 13:28:44 +0000 Server: Optimizer http://bugs.mysql.com/50168 #50168: The value of 'rows' in EXPLAIN output is not accurate for LIMIT http://bugs.mysql.com/bug.php?id=50168 Submitted by: Mark Callaghan
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.0,5.1
]]> Fri, 08 Jan 2010 02:16:52 +0000 Server: Optimizer http://bugs.mysql.com/72265 #72265: MEM tries to explain INSERT/UPDATE/DELETE type statements on a read-only slave http://bugs.mysql.com/bug.php?id=72265 Submitted by: Simon Mudd
Category: Monitoring: Agent
Status: Verified
Severity: 3
OS: Any
Version: 3.0.8
]]> Mon, 07 Apr 2014 16:59:09 +0000 Monitoring: Agent http://bugs.mysql.com/73258 #73258: Unable to analyze ALL queries with EXPLAIN on read-only account http://bugs.mysql.com/bug.php?id=73258 Submitted by: Kamil Dziedzic
Category: Server: Privileges
Status: Verified
Severity: 3
OS: Linux
Version: >= 5.6.3, 5.6.20
]]> Thu, 10 Jul 2014 11:19:10 +0000 Server: Privileges http://bugs.mysql.com/72031 #72031: Strange explain behaviour http://bugs.mysql.com/bug.php?id=72031 Submitted by: Daniël van Eeden
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.16
]]> Thu, 13 Mar 2014 08:22:45 +0000 Server: Optimizer http://bugs.mysql.com/71981 #71981: Strange result on explain http://bugs.mysql.com/bug.php?id=71981 Submitted by: Daniël van Eeden
Category: Server: DML
Status: Verified
Severity: 3
OS: Any
Version: 5.6.16
]]> Sat, 08 Mar 2014 20:24:42 +0000 Server: DML http://bugs.mysql.com/69795 #69795: EXPLAIN FORMAT=JSON doesn't show Using filesort for UNIONs http://bugs.mysql.com/bug.php?id=69795 Submitted by: Sergey Petrunya
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.12
]]> Fri, 19 Jul 2013 17:54:49 +0000 Server: Optimizer http://bugs.mysql.com/83062 #83062: it's no longer possible to determine used key parts by looking at key_length http://bugs.mysql.com/bug.php?id=83062 Submitted by: Kenny Gryp
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.32, 5.7.14, 5.6.33, 5.7.15
]]> Tue, 20 Sep 2016 13:18:22 +0000 Server: Optimizer http://bugs.mysql.com/86574 #86574: Confusing EXPLAIN output for INSERT Queries http://bugs.mysql.com/bug.php?id=86574 Submitted by: Peter Zaitsev
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6
]]> Sat, 03 Jun 2017 16:16:07 +0000 Server: Optimizer http://bugs.mysql.com/89047 #89047: Visual explain tooltip cropped http://bugs.mysql.com/bug.php?id=89047 Submitted by: Matias Fernandez
Category: MySQL Workbench: SQL Editor
Status: Verified
Severity: 3
OS: MacOS (macOS 10.13.x High Sierra x86_64)
Version: 6.3.10 and 8.0.11RC
]]> Sat, 23 Dec 2017 20:01:36 +0000 MySQL Workbench: SQL Editor http://bugs.mysql.com/106838 #106838: hover tooltip is cut when using query explain tab http://bugs.mysql.com/bug.php?id=106838 Submitted by: Oleksandr Cherednychenko
Category: MySQL Workbench
Status: Verified
Severity: 3
OS: MacOS (11.1)
Version: 8.0.28
]]> Fri, 25 Mar 2022 11:30:24 +0000 MySQL Workbench http://bugs.mysql.com/110117 #110117: Lack of instrumentation for index condition impact on the query plan http://bugs.mysql.com/bug.php?id=110117 Submitted by: Przemyslaw Malkowski
Category: Server: Docs
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Fri, 17 Feb 2023 13:22:59 +0000 Server: Docs http://bugs.mysql.com/115815 #115815: Contribute by tencent: EXPLAIN FORMAT=TREE Incorrectly Shows Cost of Statement http://bugs.mysql.com/bug.php?id=115815 Submitted by: jarne yang
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 8.4.2
]]> Mon, 12 Aug 2024 02:56:14 +0000 Server: Optimizer http://bugs.mysql.com/115840 #115840: Contribute by Tencent:Incorrect Cost Display for Join with Materialized Subquery http://bugs.mysql.com/bug.php?id=115840 Submitted by: jarne yang
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 8.0.39, 8.4.2, 9.0.1
]]> Thu, 15 Aug 2024 02:30:41 +0000 Server: Optimizer http://bugs.mysql.com/119918 #119918: Tree based explain format doesn't work well with MySQL Client or MySQL Shell http://bugs.mysql.com/bug.php?id=119918 Submitted by: Daniël van Eeden
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 9.6.0
]]> Tue, 17 Feb 2026 08:12:07 +0000 Server: Optimizer