 function is equivalent to <code class="function">SPI_cursor_open</code>
   except that information about the parameter values to be passed to the
   query is presented differently.  The <code class="literal">ParamListInfo</code>
   representation can be convenient for passing down values that are
   already available in that format.  It also supports use of dynamic
   parameter sets via hook functions specified in <code class="literal">ParamListInfo</code>.
  </p><p>
   The passed-in parameter data will be