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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!-- REMOVE FROM INDEX bug 1690 -->
<refentry id="fn_row_identity">
<refmeta>
<refentrytitle>row_identity</refentrytitle>
<refmiscinfo>sql</refmiscinfo>
</refmeta>
<refnamediv>
<refname>row_identity</refname>
<refpurpose>Retrieves the row identity string from a row string.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_row_identity">
<funcprototype id="fproto_row_identity">
<funcdef><function>row_identity</function></funcdef>
<paramdef>in <parameter>row </parameter>varchar</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_row_identity"><title>Description</title>
<para>This function retrieves the row identity string from a row
string. The identity string contains the name of the table and primary key
of the row, allowing the row to be retrieved.
</para>
<para>
<parameter>row</parameter> is a row string obtained by selecting _ROW from some table.
</para>
<note><title>Note:</title>
<para>The row identity string is a regular varchar value that can appear as a
column value. This is a sort of 'universal foreign key' with which a
reference can be made to any part of the database.
</para></note>
<programlisting>
Diagnostics
OB001 Illegal row string.
</programlisting>
</refsect1>
<refsect1 id="seealso_row_identity">
<title>See Also</title>
<para>
<link linkend="fn_row_column"><function>row_column()</function></link>
<link linkend="fn_row_table"><function>row_table()</function></link>
<link linkend="fn__row"><function>_row()</function></link>
</para>
</refsect1>
</refentry>
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