2005-07-29 17:13:11 +02:00
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$PostgreSQL: pgsql/doc/src/sgml/ref/reindexdb.sgml,v 1.11 2010/09/19 16:17:45 tgl Exp $
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2005-07-29 17:13:11 +02:00
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PostgreSQL documentation
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<refentry id="APP-REINDEXDB">
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<refmeta>
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<refentrytitle><application>reindexdb</application></refentrytitle>
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<manvolnum>1</manvolnum>
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<refmiscinfo>Application</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname id="reindexdb">reindexdb</refname>
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<refpurpose>reindex a <productname>PostgreSQL</productname> database</refpurpose>
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</refnamediv>
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<indexterm zone="app-reindexdb">
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<primary>reindexdb</primary>
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</indexterm>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>reindexdb</command>
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<arg rep="repeat"><replaceable>connection-option</replaceable></arg>
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<arg>--table | -t <replaceable>table</replaceable> </arg>
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<arg>--index | -i <replaceable>index</replaceable> </arg>
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<arg><replaceable>dbname</replaceable></arg>
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<sbr>
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<command>reindexdb</command>
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<arg rep="repeat"><replaceable>connection-option</replaceable></arg>
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<arg>--all | -a</arg>
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<sbr>
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<command>reindexdb</command>
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<arg rep="repeat"><replaceable>connection-option</replaceable></arg>
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<arg>--system | -s</arg>
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<arg><replaceable>dbname</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<application>reindexdb</application> is a utility for rebuilding indexes
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in a <productname>PostgreSQL</productname> database.
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</para>
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<para>
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<application>reindexdb</application> is a wrapper around the SQL
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command <xref linkend="SQL-REINDEX">.
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There is no effective difference between reindexing databases via
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this utility and via other methods for accessing the server.
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</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>
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<application>reindexdb</application> accepts the following command-line arguments:
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<variablelist>
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<varlistentry>
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<term><option>-a</></term>
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<term><option>--all</></term>
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<listitem>
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<para>
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Reindex all databases.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option><optional>-d</> <replaceable class="parameter">dbname</replaceable></></term>
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<term><option><optional>--dbname</> <replaceable class="parameter">dbname</replaceable></></term>
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<listitem>
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<para>
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Specifies the name of the database to be reindexed.
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If this is not specified and <option>-a</option> (or
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<option>--all</option>) is not used, the database name is read
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from the environment variable <envar>PGDATABASE</envar>. If
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that is not set, the user name specified for the connection is
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used.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-e</></term>
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<term><option>--echo</></term>
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<listitem>
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<para>
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Echo the commands that <application>reindexdb</application> generates
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and sends to the server.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-i <replaceable class="parameter">index</replaceable></></term>
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<term><option>--index <replaceable class="parameter">index</replaceable></></term>
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<listitem>
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<para>
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Recreate <replaceable class="parameter">index</replaceable> only.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-q</></term>
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<term><option>--quiet</></term>
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<listitem>
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<para>
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Do not display progress messages.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-s</></term>
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<term><option>--system</></term>
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<listitem>
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<para>
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Reindex database's system catalogs.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-t <replaceable class="parameter">table</replaceable></></term>
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<term><option>--table <replaceable class="parameter">table</replaceable></></term>
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<listitem>
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<para>
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Reindex <replaceable class="parameter">table</replaceable> only.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-V</></term>
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<term><option>--version</></term>
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<listitem>
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<para>
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Print the <application>reindexdb</application> version and exit.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-?</></term>
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<term><option>--help</></term>
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<listitem>
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<para>
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Show help about <application>reindexdb</application> command line
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arguments, and exit.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<application>reindexdb</application> also accepts
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the following command-line arguments for connection parameters:
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<variablelist>
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<varlistentry>
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<term><option>-h <replaceable class="parameter">host</replaceable></></term>
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<term><option>--host <replaceable class="parameter">host</replaceable></></term>
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<listitem>
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<para>
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Specifies the host name of the machine on which the server is
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running. If the value begins with a slash, it is used as the
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directory for the Unix domain socket.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-p <replaceable class="parameter">port</replaceable></></term>
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<term><option>--port <replaceable class="parameter">port</replaceable></></term>
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<listitem>
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<para>
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Specifies the TCP port or local Unix domain socket file
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extension on which the server
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is listening for connections.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-U <replaceable class="parameter">username</replaceable></></term>
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<term><option>--username <replaceable class="parameter">username</replaceable></></term>
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<listitem>
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<para>
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User name to connect as.
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</para>
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</listitem>
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</varlistentry>
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2009-02-26 17:02:39 +01:00
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<varlistentry>
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<term><option>-w</></term>
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<term><option>--no-password</></term>
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<listitem>
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<para>
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Never issue a password prompt. If the server requires
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password authentication and a password is not available by
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other means such as a <filename>.pgpass</filename> file, the
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connection attempt will fail. This option can be useful in
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batch jobs and scripts where no user is present to enter a
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password.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-W</></term>
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<term><option>--password</></term>
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<listitem>
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<para>
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Force <application>reindexdb</application> to prompt for a
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password before connecting to a database.
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</para>
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<para>
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This option is never essential, since
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<application>reindexdb</application> will automatically prompt
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for a password if the server demands password authentication.
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However, <application>reindexdb</application> will waste a
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connection attempt finding out that the server wants a password.
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In some cases it is worth typing <option>-W</> to avoid the extra
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connection attempt.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1>
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<title>Environment</title>
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<variablelist>
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<varlistentry>
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<term><envar>PGDATABASE</envar></term>
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<term><envar>PGHOST</envar></term>
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<term><envar>PGPORT</envar></term>
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<term><envar>PGUSER</envar></term>
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<listitem>
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<para>
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Default connection parameters
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>
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This utility, like most other <productname>PostgreSQL</> utilities,
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also uses the environment variables supported by <application>libpq</>
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(see <xref linkend="libpq-envars">).
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</para>
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</refsect1>
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<refsect1>
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<title>Diagnostics</title>
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<para>
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In case of difficulty, see <xref linkend="SQL-REINDEX">
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and <xref linkend="APP-PSQL"> for
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discussions of potential problems and error messages.
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The database server must be running at the
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targeted host. Also, any default connection settings and environment
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variables used by the <application>libpq</application> front-end
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library will apply.
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</para>
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</refsect1>
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<refsect1>
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<title>Notes</title>
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<para>
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<application>reindexdb</application> might need to connect several
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times to the <productname>PostgreSQL</productname> server, asking
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for a password each time. It is convenient to have a
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<filename>~/.pgpass</> file in such cases. See <xref
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linkend="libpq-pgpass"> for more information.
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</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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To reindex the database <literal>test</literal>:
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<screen>
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<prompt>$ </prompt><userinput>reindexdb test</userinput>
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</screen>
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</para>
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<para>
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To reindex the table <literal>foo</literal> and the index
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<literal>bar</literal> in a database named <literal>abcd</literal>:
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<screen>
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<prompt>$ </prompt><userinput>reindexdb --table foo --index bar abcd</userinput>
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</screen>
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<simplelist type="inline">
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<member><xref linkend="sql-reindex"></member>
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</simplelist>
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</refsect1>
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</refentry>
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