code: function queryRows($sql, $parmas = array()){
          $result = $this->query($sql, $parmas);
  
          $rows = array();
          if($result){
              $result->setFetchMode(PDO::FETCH_ASSOC);
              foreach($result as $row){
                  if(isset($row[$this->primary])){
                      if(!is_string($this->access)){
                          $this->access[$this->primary] = true;
                      }
                  }
                  $rows[] = $row;
              }
          }
  
          return $rows;
      }
docs: 根据SQL查询全部数据，等效于NotORM_Result::queryAll($sql, $parmas)
  
  @param string    $sql
  @param array     $parmas
  
  @return array
  @author: dogstar 2014-11-01