<!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.84.2.2 2009/10/02 18:13:10 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.84.2.3 2010/02/14 00:48:20 tgl Exp $
-->
<refentry id="SQL-CREATEFUNCTION">
to replace it (this includes being a member of the owning role).
</para>
+ <para>
+ If a function is declared <literal>STRICT</> with a <literal>VARIADIC</>
+ argument, the strictness check tests that the variadic array <emphasis>as
+ a whole</> is non-null. The function will still be called if the
+ array has non-null elements.
+ </para>
+
</refsect1>
<refsect1 id="sql-createfunction-examples">