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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_table_set_policy">
<refmeta>
<refentrytitle>table_set_policy</refentrytitle>
<refmiscinfo>sql</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table_set_policy</refname>
<refpurpose>Sets policy function to table.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_table_set_policy">
<funcprototype id="fproto_table_set_policy">
<funcdef><function>table_set_policy</function></funcdef>
<paramdef>in <parameter>tablename</parameter> varchar</paramdef>
<paramdef>in <parameter>policypl</parameter> varchar</paramdef>
<paramdef><optional>in <parameter>policy_scope</parameter> varchar</optional></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_table_set_policy"><title>Description</title>
<para>Sets policy function to table.</para>
</refsect1>
<refsect1 id="params_table_set_policy">
<title>Parameters</title>
<refsect2><title>tablename</title>
<para>is the table to which the policy applies</para>
</refsect2>
<refsect2><title>policypl</title>
<para>is the actual Virtuoso Stored Procedure based policy</para>
</refsect2>
<refsect2><title>policy_scope</title>
<para>defines the scope of the policy in relation to SQL statement processing using one of more of the following values; I (for Inserts), D (for Deletions), U (for Updates), S (for Selects).</para>
</refsect2>
</refsect1>
<refsect1 id="ret_table_set_policy"><title>Return Types</title>
<para>varchar</para>
</refsect1>
<note>
<title>Note:</title>
<para>Note that the policy_pl procedure should have the following signature (this is how it's called by the Virtuoso SQL compiler to get the policy) :
<programlisting><![CDATA[<procedure_name> (in table varchar, in op varchar) returns varchar]]></programlisting>
</para>
</note>
<refsect1 id="seealso_table_set_policy">
<title>See Also</title>
<para><link linkend="fn_table_drop_policy"><function>table_drop_policy()</function></link></para>
</refsect1>
</refentry>
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