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<chapter id="plpgsql">

<title><application>PL/pgSQL</application> - <acronym>SQL</acronym> Procedural Language</title>

</listitem>

<listitem>

<para>

A<command>RETURN QUERY</command> and <command>RETURN QUERY

<command>RETURN QUERY</command> and <command>RETURN QUERY

EXECUTE</command> statements set <literal>FOUND</literal>

true if the query returns at least one row, false if no row

is returned.