function _fetch($ignore_fields=false)
   {
      $this->fields = array();
      $fields = @sqlite_fetch_array($this->_queryID,$this->fetchMode);
      if(is_array($fields))
         foreach($fields as $n => $v)
         {
            if(($p = strpos($n, ".")) !== false)
               $n = substr($n, $p+1);
            $this->fields[$n] = $v;
         }

      return !empty($this->fields);
   }