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From:paul Date:May 31 2008 5:31pm
Subject:svn commit - mysqldoc@docsrva: r10875 - in trunk: . dynamic-docs/changelog dynamic-docs/command-optvars refman-6.0
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Author: paul
Date: 2008-05-31 19:31:58 +0200 (Sat, 31 May 2008)
New Revision: 10875

Log:
 r31792@frost:  paul | 2008-05-31 12:29:42 -0500
 Document optimizer_switch system variable
 (WL#3952)


Modified:
   trunk/dynamic-docs/changelog/mysqld.xml
   trunk/dynamic-docs/command-optvars/mysqld.xml
   trunk/refman-6.0/dba-core.xml

Property changes on: trunk
___________________________________________________________________
Name: svk:merge
   - 4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/mysqldoc/trunk:35828
7d8d2c4e-af1d-0410-ab9f-b038ce55645b:/mysqldoc-local/mysqldoc:31780
b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:14218
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:31539
   + 4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/mysqldoc/trunk:35828
7d8d2c4e-af1d-0410-ab9f-b038ce55645b:/mysqldoc-local/mysqldoc:31792
b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:14218
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:31539


Modified: trunk/dynamic-docs/changelog/mysqld.xml
===================================================================
--- trunk/dynamic-docs/changelog/mysqld.xml	2008-05-31 10:48:25 UTC (rev 10874)
+++ trunk/dynamic-docs/changelog/mysqld.xml	2008-05-31 17:31:58 UTC (rev 10875)
Changed blocks: 1, Lines Added: 25, Lines Deleted: 3; 1219 bytes

@@ -91513,15 +91513,37 @@
     <message>
 
       <para>
-        Added the <literal>optimizer_use_mrr</literal> system variable.
-        This replaces the <literal>multi_range_count</literal> system
-        variable, which has been removed.
+        Added the <literal>optimizer_use_mrr</literal> system variable
+        to enable control over whether Multi Read Range optimization is
+        used. This replaces the <literal>multi_range_count</literal>
+        system variable, which has been removed.
       </para>
 
     </message>
 
   </logentry>
 
+  <logentry entrytype="feature">
+
+    <tags>
+      <manual type="optimizer_switch"/>
+    </tags>
+
+    <versions>
+      <version ver="5.2.4"/>
+    </versions>
+
+    <message>
+
+      <para>
+        Added the <literal>optimizer_switch</literal> system variable to
+        enable control over individual optimizations.
+      </para>
+
+    </message>
+
+  </logentry>
+
   <logentry entrytype="bug">
 
     <tags>


Modified: trunk/dynamic-docs/command-optvars/mysqld.xml
===================================================================
--- trunk/dynamic-docs/command-optvars/mysqld.xml	2008-05-31 10:48:25 UTC (rev 10874)
+++ trunk/dynamic-docs/command-optvars/mysqld.xml	2008-05-31 17:31:58 UTC (rev 10875)
Changed blocks: 1, Lines Added: 33, Lines Deleted: 0; 1175 bytes

@@ -14228,6 +14228,39 @@
 
   </mysqloption>
 
+  <mysqloption section="server" id="optimizer_switch">
+
+    <xrefto id="option_mysqld_optimizer_switch"/>
+
+    <name>optimizer_switch</name>
+
+    <shortdescription lang="en">
+      Enable control over which optimizations to use
+    </shortdescription>
+
+    <types>
+<!--
+  ... When Bug#35676 gets fixed, add cmdline/mycnf classes ...
+-->
+      <vartype isdynamic="yes" class="system" scope="both"/>
+    </types>
+
+    <values vartype="enumeration" platform="all">
+
+      <value default="''"/>
+      <choice value="no_semijoin"/>
+      <choice value="no_materialization"/>
+
+    </values>
+
+    <versions>
+      <manual version="5.2"/>
+      <introduced version="5.2.4"/>
+      <manual version="6.0"/>
+    </versions>
+
+  </mysqloption>
+
   <mysqloption section="server" id="optimizer_use_mrr">
 
     <xrefto id="option_mysqld_optimizer_use_mrr"/>


Modified: trunk/refman-6.0/dba-core.xml
===================================================================


Changed blocks: 0, Lines Added: 0, Lines Deleted: 0; 106 bytes


Thread
svn commit - mysqldoc@docsrva: r10875 - in trunk: . dynamic-docs/changelog dynamic-docs/command-optvars refman-6.0paul31 May