number of rows to return,
      or <code class="literal">0</code> for no limit
     </p></dd></dl></div></div><div class="refsect1" id="id-1.8.12.8.7.7"><h2>Return Value</h2><p>
   The return value is the same as for <code class="function">SPI_execute</code>.
  </p><p>
   <code class="varname">SPI_processed</code> and
   <code class="varname">SPI_tuptable</code> are set as in
   <code class="function">SPI_execute</code> if successful.
  </p></div></div><div class="navfooter"><hr /><table width="100%" summar