while ($row = $csv->getline ($fh))
     {
       $SQL1 = "Insert into TAB1 (sample_date, server, first, n1, n2)
             values (?,?,?,?,?)";
       $sth = prepare($SQL1)
       $sth -> execute($row[0], $row[1], $row[2], $row[3], $row[4]);
        if ($sth->err)
           {
             $rc=0;
             $dbAgent->rollback();
             close $fh;
           }
       $rc++;
  }
 close $fh;
 $dbAgent->commit;