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doc/src/sgml/ref/reindex.sgml

+<!--
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/reindex.sgml,v 1.1 2000/03/31 08:16:33 inoue Exp $
+Postgres documentation
+-->
+
+<refentry id="SQL-REINDEX">
+ <refmeta>
+  <refentrytitle id="SQL-REINDEX-TITLE">
+   REINDEX
+  </refentrytitle>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+ <refnamediv>
+  <refname>
+   REINDEX
+  </refname>
+  <refpurpose>
+   Recover corrupted system indexes under standalone Postgres
+  </refpurpose>
+ </refnamediv>
+ <refsynopsisdiv>
+  <refsynopsisdivinfo>
+   <date>2000-03-30</date>
+  </refsynopsisdivinfo>
+  <synopsis>
+REINDEX { TABLE | DATABASE | INDEX } <replaceable class="PARAMETER">name</replaceable> [ FORCE ]
+  </synopsis>
+  
+  <refsect2 id="R2-SQL-REINDEX-1">
+   <refsect2info>
+    <date>2000-03-30</date>
+   </refsect2info>
+   <title>
+    Inputs
+   </title>
+   <para>
+
+    <variablelist>
+     <varlistentry>
+      <term>TABLE</term>
+      <listitem>
+       <para>
+	Recreate all indexes of a specfied table.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term>DATABASE</term>
+      <listitem>
+       <para>
+	Recreate all system indexes of a specfied database.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term>INDEX</term>
+      <listitem>
+       <para>
+	Recreate a specfied index.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><replaceable class="PARAMETER">name</replaceable></term>
+      <listitem>
+       <para>
+	The name of the specific table/database/index to be be reindexed.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term>FORCE</term>
+      <listitem>
+       <para>
+	Recreate indexes forcedly. Without this keyword REINDEX does
+	nothing unless target indexes are invalidated.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+  </refsect2>
+  
+  <refsect2 id="R2-SQL-REINDEX-2">
+   <refsect2info>
+    <date>2000-03-30</date>
+   </refsect2info>
+   <title>
+    Outputs
+   </title>
+   <para>
+
+    <variablelist>
+     <varlistentry>
+      <term><computeroutput>
+REINDEX
+       </computeroutput></term>
+      <listitem>
+       <para>
+	Message returned if the table is successfully reindexed.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+  </refsect2>
+ </refsynopsisdiv>
+
+ <refsect1 id="R1-SQL-REINDEX-1">
+  <refsect1info>
+   <date>2000-03-30</date>
+  </refsect1info>
+  <title>
+   Description
+  </title>
+  <para>
+   <command>REINDEX</command> is used to recover corrupted system indexes.
+    In order to run REINDEX command,Postmaster must be shutdown and 
+    standalone Postgres should be started instead with options -O and
+    -P(an option to ignore system indexes).  Note that we couldn't rely
+    on system indexes for the recovery of system indexes.
+  </para>
+ </refsect1>
+
+ <refsect1 id="R1-SQL-REINDEX-2">
+  <title>
+   Usage
+  </title>
+  <para>
+   Recreate the table <literal>mytable</literal>:
+
+   <programlisting>
+     REINDEX TABLE mytable;
+   </programlisting>
+  </para>
+
+  <para>
+   Some more examples:
+
+   <programlisting>
+REINDEX DATABASE my_database FORCE;
+REINDEX INDEX my_index;
+   </programlisting>
+  </para>
+ </refsect1>
+ 
+ <refsect1 id="R1-SQL-REINDEX-3">
+  <title>
+   Compatibility
+  </title>
+  
+  <refsect2 id="R2-SQL-REINDEX-4">
+   <refsect2info>
+    <date>2000-03-30</date>
+   </refsect2info>
+   <title>
+    SQL92
+   </title>
+   <para>
+    There is no <command>REINDEX</command> in <acronym>SQL92</acronym>.
+   </para>
+  </refsect2>
+ </refsect1>
+</refentry>
+
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+-->