File: repl_purge.xml

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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
 -  
 -  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
 -  project.
 -  
 -  Copyright (C) 1998-2018 OpenLink Software
 -  
 -  This project is free software; you can redistribute it and/or modify it
 -  under the terms of the GNU General Public License as published by the
 -  Free Software Foundation; only version 2 of the License, dated June 1991.
 -  
 -  This program is distributed in the hope that it will be useful, but
 -  WITHOUT ANY WARRANTY; without even the implied warranty of
 -  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 -  General Public License for more details.
 -  
 -  You should have received a copy of the GNU General Public License along
 -  with this program; if not, write to the Free Software Foundation, Inc.,
 -  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 -  
 -  
-->
<refentry id="fn_repl_purge">
  <refmeta>
    <refentrytitle>repl_purge</refentrytitle>
    <refmiscinfo>repl</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>repl_purge</refname>
    <refpurpose>purges transactional replication logs for specified account</refpurpose>
  </refnamediv>
  <refsynopsisdiv>
    <funcsynopsis id="fsyn_repl_purge">
      <funcprototype id="fproto_repl_purge">
        <funcdef><function>repl_purge</function></funcdef>
        <paramdef>in <parameter>server</parameter> varchar</paramdef>
        <paramdef>in <parameter>account</parameter> varchar</paramdef>
      </funcprototype>
    </funcsynopsis>
  </refsynopsisdiv>
  <refsect1 id="desc_repl_purge"><title>Description</title>
			<para>
This procedure purges transactional replication logs for specified account.

Logs whose start replication level lags more than
REPL_MAX_DELTA (1000000000) transactions behind current replication level of
a specified account are removed. After <function>repl_purge()</function> is
finished next <function>repl_purge()</function> run is scheduled
using SYS_SCHEDULED_EVENT facility.
</para>

<para>Account sync requests from subscribers are delayed while
<function>repl_purge()</function> is running for this account.</para>
	</refsect1>
  <refsect1 id="params_repl_purge"><title>Parameters</title>
    <refsect2><title>server</title>
      <para>The server name of the publisher.</para>
    </refsect2>
    <refsect2><title>account</title>
      <para>The name assigned to the publication.</para>
    </refsect2>
  </refsect1>
	<!-- 3019
	This function returns an integer enumerating the status of subscription: 0-off, 1-syncing, 2-in sync, 3-disconnected

	Errors:
        TR067	37000		No replication account <server> <account>
	TR072	08001		Replication connect to <server> failed.
	
	-->
  <refsect1 id="examples_repl_purge"><title>Example</title>
    <example id="ex_repl_purge"><title>Purging transactional replication logs</title>
     <para>The following shows purging transactional replication logs for
     pushback account for updateable subscription 'demopub' from 'demoserver':
     </para>
      <screen>
SQL> repl_purge ('demoserver', '!demopub');
      </screen>
    </example>
  </refsect1>
  <refsect1 id="seealso_repl_purge"><title>See Also</title>
     <para><link linkend="fn_repl_publish"><function>repl_publish()</function></link></para>
     <para><link linkend="fn_repl_subscribe"><function>repl_subscribe()</function></link></para>
     <para><link linkend="fn_repl_unpublish"><function>repl_unpublish()</function></link></para>
     <para><link linkend="fn_repl_unsubscribe"><function>repl_unsubscribe()</function></link></para>
  </refsect1>
</refentry>