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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_vd_statistics">
<refmeta>
<refentrytitle>vd_statistics</refentrytitle>
<refmiscinfo>rmt</refmiscinfo>
</refmeta>
<refnamediv>
<refname>VD_STATISTICS</refname>
<refpurpose>Update VDB RPC cost statistics for given DSN</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_vd_statistics">
<funcprototype id="fproto_vd_statistics">
<funcdef>DB.DBA.<function>VD_STATISTICS</function></funcdef>
<paramdef><optional>in <parameter>_dsn</parameter> varchar</optional></paramdef>
<paramdef><optional>in <parameter>vd_table_mask</parameter> varchar</optional></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_vd_statistics">
<title>Description</title>
<para>This procedure will update the RPC round-trip statistics for
selected data sources.</para>
</refsect1>
<refsect1 id="params_vd_statistics">
<title>Parameters</title>
<refsect2><title>_dsn</title>
<para>This parameter is a LIKE mask for the name of the data source,
as stored in DS_DSN column of SYS_DATA_SOURCE system table. Its
default value of '%' means update the "round-trip" times for all
remote data sources.</para>
</refsect2>
<refsect2><title>vd_table_mask</title>
<para>This parameter is a LIKE mask for the name of the table ,
as stored in RT_NAME column of SYS_DATA_SOURCE system table. Its
default value of '%' means update all tables.</para>
</refsect2>
</refsect1>
<!-- <refsect1 id="ret_vd_statistics"><title>Return Types</title>
<para></para>
</refsect1>
<refsect1 id="errors_vd_statistics">
<title>Errors</title>
In case of non-function-specific errors, i.e. only common
parameter errors are signalled, comment out the table below
otherwise add the unique error values as individual errorcodes
<para>This function can generate the following errors:</para>
<errorcode></errorcode>
</refsect1>
<refsect1 id="examples_vd_statistics">
<title>Examples</title>
<example id="ex_vd_statistics"><title></title>
<para></para>
<screen><![CDATA[
]]>
</screen>
</example>
</refsect1>
--> <refsect1 id="seealso_vd_statistics">
<title>See Also</title>
<para><link linkend="fn_vdd_measure_rpc_time"><function>vdd_measure_rpc_time()</function></link></para>
</refsect1>
</refentry>
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