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  <title>MySQL Bugs</title>
  <description>MySQL AB Bugs Database</description>
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   <title>MySQL Bugs</title>
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   <link>http://bugs.mysql.com/</link>
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   <guid isPermaLink="true">http://bugs.mysql.com/60951</guid>
   <title>#60951: DELETE statement locks </title>
   <link>http://bugs.mysql.com/bug.php?id=60951</link>
   <description><![CDATA[Bug ID: 60951<br />Submitted by: Vinod Sugur<br />Category: Server: Locking<br />Status: In progress<br />Severity: 2<br />OS: Any<br />Version: 5.1.55-community-log, 5.1.59, 5.6.3<br />]]></description>
   <pubDate>Fri, 22 Apr 2011 11:21:11 +0000</pubDate>
   <dc:subject>Server: Locking</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/36541</guid>
   <title>#36541: Query event with BEGIN has different size on master and slave</title>
   <link>http://bugs.mysql.com/bug.php?id=36541</link>
   <description><![CDATA[Bug ID: 36541<br />Submitted by: Sascha Curth<br />Category: Server: Replication<br />Status: In progress<br />Severity: 2<br />OS: Linux<br />Version: 5.0.51a-log, 5.1<br />]]></description>
   <pubDate>Tue, 06 May 2008 17:01:59 +0000</pubDate>
   <dc:subject>Server: Replication</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/120499</guid>
   <title>#120499: Recursive stored procedure with max_sp_recursion_depth &gt;= 250 crashes mysqld </title>
   <link>http://bugs.mysql.com/bug.php?id=120499</link>
   <description><![CDATA[Bug ID: 120499<br />Submitted by: miao runpei<br />Category: Server: SP<br />Status: Open<br />Severity: 2<br />OS: Linux<br />Version: 9.6.0<br />]]></description>
   <pubDate>Wed, 20 May 2026 05:02:47 +0000</pubDate>
   <dc:subject>Server: SP</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/119541</guid>
   <title>#119541: Performance regression due to record buffer in index range scan</title>
   <link>http://bugs.mysql.com/bug.php?id=119541</link>
   <description><![CDATA[Bug ID: 119541<br />Submitted by: Martin Hansson<br />Category: Server: Optimizer<br />Status: Patch pending<br />Severity: 2<br />OS: Any<br />Version: 8.0, 8.4, 9.5<br />]]></description>
   <pubDate>Thu, 11 Dec 2025 12:32:39 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
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   <guid isPermaLink="true">http://bugs.mysql.com/57188</guid>
   <title>#57188: checksum table gives 0 until &#039;show table status&#039; is run against the table</title>
   <link>http://bugs.mysql.com/bug.php?id=57188</link>
   <description><![CDATA[Bug ID: 57188<br />Submitted by: Shane Bester<br />Category: Server: Archive<br />Status: Patch pending<br />Severity: 3<br />OS: Any<br />Version: 5.1.51, 5.5.6<br />]]></description>
   <pubDate>Fri, 01 Oct 2010 21:58:52 +0000</pubDate>
   <dc:subject>Server: Archive</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/36211</guid>
   <title>#36211: mysql client rejects &quot;--&quot; comments that server accepts</title>
   <link>http://bugs.mysql.com/bug.php?id=36211</link>
   <description><![CDATA[Bug ID: 36211<br />Submitted by: Todd Farmer<br />Category: Client<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.0.56<br />]]></description>
   <pubDate>Fri, 18 Apr 2008 22:09:31 +0000</pubDate>
   <dc:subject>Client</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/45876</guid>
   <title>#45876: SHOW ENGINES output is inaccurate</title>
   <link>http://bugs.mysql.com/bug.php?id=45876</link>
   <description><![CDATA[Bug ID: 45876<br />Submitted by: Mikiya Okuno<br />Category: Server: SE API<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.1.35<br />]]></description>
   <pubDate>Wed, 01 Jul 2009 13:14:29 +0000</pubDate>
   <dc:subject>Server: SE API</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/48103</guid>
   <title>#48103: Using STRAIGHT_JOIN with Innodb tables can produce duplicate results</title>
   <link>http://bugs.mysql.com/bug.php?id=48103</link>
   <description><![CDATA[Bug ID: 48103<br />Submitted by: Patrick Crews<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.1, 6.0<br />]]></description>
   <pubDate>Fri, 16 Oct 2009 00:32:27 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/48190</guid>
   <title>#48190: Error processing  ALL subqueries on empty sets - different than JavaDB/Postgres</title>
   <link>http://bugs.mysql.com/bug.php?id=48190</link>
   <description><![CDATA[Bug ID: 48190<br />Submitted by: Patrick Crews<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.1,6.0<br />]]></description>
   <pubDate>Tue, 20 Oct 2009 14:59:39 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/53216</guid>
   <title>#53216: Unrelated DDL causes repreparation of a prepared statement</title>
   <link>http://bugs.mysql.com/bug.php?id=53216</link>
   <description><![CDATA[Bug ID: 53216<br />Submitted by: Elena Stepanova<br />Category: Server: PS<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.5.3-m3, 5.5.4-m3<br />]]></description>
   <pubDate>Tue, 27 Apr 2010 17:39:51 +0000</pubDate>
   <dc:subject>Server: PS</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/48049</guid>
   <title>#48049: SELECT MIN(1)  reports differently for MERGE tables in 5.0 and 5.1</title>
   <link>http://bugs.mysql.com/bug.php?id=48049</link>
   <description><![CDATA[Bug ID: 48049<br />Submitted by: Kyle Joiner<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.1.37, 5.5.7<br />]]></description>
   <pubDate>Wed, 14 Oct 2009 16:46:51 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/54562</guid>
   <title>#54562: SBR mistakes SAVEPOINT statement for accessing a transactional table</title>
   <link>http://bugs.mysql.com/bug.php?id=54562</link>
   <description><![CDATA[Bug ID: 54562<br />Submitted by: Elena Stepanova<br />Category: Server: Replication<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.5.3-m3, 5.5.5-m3<br />]]></description>
   <pubDate>Wed, 16 Jun 2010 19:18:20 +0000</pubDate>
   <dc:subject>Server: Replication</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/59999</guid>
   <title>#59999: mysqlhotcopy returns error and crashes debug server</title>
   <link>http://bugs.mysql.com/bug.php?id=59999</link>
   <description><![CDATA[Bug ID: 59999<br />Submitted by: Sveta Smirnova<br />Category: Server: Locking<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.5, 5.6.2<br />]]></description>
   <pubDate>Mon, 07 Feb 2011 21:11:02 +0000</pubDate>
   <dc:subject>Server: Locking</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/69891</guid>
   <title>#69891: since 5.1.31 REPLACE() function concats it&#039;s results under certain conditions</title>
   <link>http://bugs.mysql.com/bug.php?id=69891</link>
   <description><![CDATA[Bug ID: 69891<br />Submitted by: Shane Bester<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.1.31<br />]]></description>
   <pubDate>Thu, 01 Aug 2013 06:33:19 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/45680</guid>
   <title>#45680: wrong results when using index for lookup with implicitly casted values</title>
   <link>http://bugs.mysql.com/bug.php?id=45680</link>
   <description><![CDATA[Bug ID: 45680<br />Submitted by: Shane Bester<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 5.0.54, 5.0.82, 5.1.35, 6.0.12<br />]]></description>
   <pubDate>Tue, 23 Jun 2009 14:15:31 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/121141</guid>
   <title>#121141: group skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index </title>
   <link>http://bugs.mysql.com/bug.php?id=121141</link>
   <description><![CDATA[Bug ID: 121141<br />Submitted by: Blackening Zhang<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 1<br />OS: Any<br />Version: 8.0.46, 8.4.11, 9.7.2<br />]]></description>
   <pubDate>Thu, 20 Aug 2026 01:50:14 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/120929</guid>
   <title>#120929: LATEST FOREIGN KEY ERROR is not printed in SHOW ENGINE INNODB STATUS </title>
   <link>http://bugs.mysql.com/bug.php?id=120929</link>
   <description><![CDATA[Bug ID: 120929<br />Submitted by: Sveta Smirnova<br />Category: Server: Docs<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 9.7.1<br />]]></description>
   <pubDate>Tue, 14 Jul 2026 16:35:06 +0000</pubDate>
   <dc:subject>Server: Docs</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/120602</guid>
   <title>#120602: Memory leak in fil_ibd_same_as_default_path()</title>
   <link>http://bugs.mysql.com/bug.php?id=120602</link>
   <description><![CDATA[Bug ID: 120602<br />Submitted by: Dmitry Lenev<br />Category: Server: InnoDB<br />Status: Verified<br />Severity: 2<br />OS: Any<br />Version: 8.0.46, 8.4.9, 9.7.0<br />]]></description>
   <pubDate>Tue, 02 Jun 2026 11:44:46 +0000</pubDate>
   <dc:subject>Server: InnoDB</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/119066</guid>
   <title>#119066: MySQL 8.0.40+ is about 2-3x times slower than 8.0.39 in particular index scan scenario</title>
   <link>http://bugs.mysql.com/bug.php?id=119066</link>
   <description><![CDATA[Bug ID: 119066<br />Submitted by: Przemyslaw Malkowski<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 5<br />OS: Any<br />Version: 8.0.40+<br />]]></description>
   <pubDate>Wed, 24 Sep 2025 13:06:30 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/118863</guid>
   <title>#118863: Complex collection query incorrectly missing &#039;0&#039;</title>
   <link>http://bugs.mysql.com/bug.php?id=118863</link>
   <description><![CDATA[Bug ID: 118863<br />Submitted by: Aaditya Dubey<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 2<br />OS: Any<br />Version: 8.4.x, 8.4.6<br />]]></description>
   <pubDate>Wed, 20 Aug 2025 14:23:20 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/118808</guid>
   <title>#118808: Different result with range scan and table scan in sql with subquery</title>
   <link>http://bugs.mysql.com/bug.php?id=118808</link>
   <description><![CDATA[Bug ID: 118808<br />Submitted by: zkong kong<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 2<br />OS: Any<br />Version: 9.4.0, 8.4.3, 8.4.6<br />]]></description>
   <pubDate>Sun, 10 Aug 2025 11:26:17 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/118144</guid>
   <title>#118144: Performance regression at 8.0.40 related to record buffer usage</title>
   <link>http://bugs.mysql.com/bug.php?id=118144</link>
   <description><![CDATA[Bug ID: 118144<br />Submitted by: Chris Gray<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 5<br />OS: Red Hat (RHEL9)<br />Version: 8.0.40, 8.0.42<br />]]></description>
   <pubDate>Thu, 08 May 2025 23:35:19 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/118024</guid>
   <title>#118024: Wrong Right Join involving a predicate containing IFNULL and IN </title>
   <link>http://bugs.mysql.com/bug.php?id=118024</link>
   <description><![CDATA[Bug ID: 118024<br />Submitted by: Zhaokun Xiang<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 1<br />OS: Any<br />Version: 9.3.0<br />]]></description>
   <pubDate>Mon, 21 Apr 2025 12:46:14 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/117959</guid>
   <title>#117959: PRIMARY KEY leads to incorrect INTERSECT result</title>
   <link>http://bugs.mysql.com/bug.php?id=117959</link>
   <description><![CDATA[Bug ID: 117959<br />Submitted by: jinhui lai<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 2<br />OS: Ubuntu (22.04)<br />Version: 9.2.0<br />]]></description>
   <pubDate>Sun, 13 Apr 2025 00:31:31 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/117867</guid>
   <title>#117867: use distinct+left join, MySQL 8.0 excute long time than MySQL 5.7 </title>
   <link>http://bugs.mysql.com/bug.php?id=117867</link>
   <description><![CDATA[Bug ID: 117867<br />Submitted by: haizhen xue<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 5<br />OS: Any<br />Version: 8.0.41<br />]]></description>
   <pubDate>Thu, 03 Apr 2025 08:32:28 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/117765</guid>
   <title>#117765: Query result may be wrong if using compound order by inside GROUP_CONCAT</title>
   <link>http://bugs.mysql.com/bug.php?id=117765</link>
   <description><![CDATA[Bug ID: 117765<br />Submitted by: Moad Elfatihi<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 2<br />OS: Any<br />Version: 9.2.0, 8.0.41, 8.4.4<br />]]></description>
   <pubDate>Fri, 21 Mar 2025 03:09:15 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/117618</guid>
   <title>#117618: Erroneous warning &quot;Combining the storage engines InnoDB and MyISAM is deprecated&quot;</title>
   <link>http://bugs.mysql.com/bug.php?id=117618</link>
   <description><![CDATA[Bug ID: 117618<br />Submitted by: Kamil Holubicki<br />Category: Server: Replication<br />Status: Verified<br />Severity: 3<br />OS: Any<br />Version: 9.1, 9.2.0<br />]]></description>
   <pubDate>Tue, 04 Mar 2025 14:31:51 +0000</pubDate>
   <dc:subject>Server: Replication</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/117598</guid>
   <title>#117598: Wrong sort order for queries with ORDER BY DESC when using range comparison with LIMIT</title>
   <link>http://bugs.mysql.com/bug.php?id=117598</link>
   <description><![CDATA[Bug ID: 117598<br />Submitted by: Daniel Morton<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 2<br />OS: Any<br />Version: 8.0.35, 8.0.41, 8.4.4<br />]]></description>
   <pubDate>Fri, 28 Feb 2025 03:28:19 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
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   <guid isPermaLink="true">http://bugs.mysql.com/116803</guid>
   <title>#116803: MySQL 8.0.33 is slower than MySQL 8.0.28 with queries using JOINS</title>
   <link>http://bugs.mysql.com/bug.php?id=116803</link>
   <description><![CDATA[Bug ID: 116803<br />Submitted by: Aaditya Dubey<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 5<br />OS: Any<br />Version: 8.0.40<br />]]></description>
   <pubDate>Wed, 27 Nov 2024 11:29:38 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
  </item>
  <item>
   <guid isPermaLink="true">http://bugs.mysql.com/116895</guid>
   <title>#116895: View using IN(SELECT LIMIT) has wrong result</title>
   <link>http://bugs.mysql.com/bug.php?id=116895</link>
   <description><![CDATA[Bug ID: 116895<br />Submitted by: Guilhem Bichot<br />Category: Server: Optimizer<br />Status: Verified<br />Severity: 2<br />OS: Any<br />Version: 9.0,8.0, 8.0.40, 8.4.3<br />]]></description>
   <pubDate>Fri, 06 Dec 2024 11:45:39 +0000</pubDate>
   <dc:subject>Server: Optimizer</dc:subject>
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