.1" class="indexterm"></a>
        <code class="function">upper</code> ( <code class="type">anymultirange</code> )
        → <code class="returnvalue">anyelement</code>
       </p>
       <p>
        Extracts the upper bound of the multirange (<code class="literal">NULL</code> if the
        multirange is empty or has no upper bound).
       </p>
       <p>
        <code class="literal">upper('{[1.1,2.2)}'::nummultirange)</code>
        → <code class="returnvalue">2.2</code>
       </p></td></tr><tr><td