Model -Zend framework query executing

Model -Zend framework query executing
--------------------------------------------
function getpostionlist($teamid){
        $odb = Zend_Db_Table::getDefaultAdapter();
           $stmt = $odb->query("select plps_abbr,plps_sprt_id,plps_position_name from plg_player_position where plps_sprt_id=$teamid and plps_status=1");
        $rs = $stmt->fetchAll();
        $stmt->closeCursor();
        return $rs;
      }