Пример #1
0
 /**
  * 获取数据表查询驱动对象
  * @return XF_Db_Table_Select_Abstract
  */
 public function getTableSelect()
 {
     if (self::$_select == NULL) {
         self::$_select = new XF_Db_Table_Select_Mysql($this);
     } else {
         //防止在 XF_Db_Table_Select_Interface 中无法获取当前Table已有的数据,所以要重新实例化
         $class = get_class(self::$_select);
         self::$_select = new $class($this);
     }
     return self::$_select;
 }