// ----------------------------------------------
      //  Releer el valor de datvar3 RPS.dbo.faoferc
      // ----------------------------------------------
      $t=array(); $rc="";
      $buffer ="SELECT datvar3 from  RPS.dbo.faoferc";
      $buffer.=" WHERE codemp='" . $codemp . "'";
      $buffer.="   AND tipcont='" . $tipcont . "'";
      $buffer.="   AND codoferta='" . $codoferta . "'";
      $conn->ger_exec  ($cursor1, $buffer);
      $rc= gerdb_fetch ($cursor1, $t);
      if ($io_test>=2) { echo "rc(" . $rc . "), buffer(" . $buffer . ")<br>\n\n"; }
      if ($rc=="") $datvar3=$t[datvar3]