Driver_Database_Driver_Mongo::close_connect

public function close_connect()
{
    //TODO 关闭连接有bug

    return ;
    if ($this->_connection_ids)foreach ($this->_connection_ids as $key=>$connection_id)
    {
        if ($connection_id && Database_Driver_Mongo::$_connection_instance[$connection_id])
        {
            Core::debug()->info('close '.$key.' mongo '.Database_Driver_Mongo::$_current_connection_id_to_hostname[$connection_id].' connection.');
            Database_Driver_Mongo::$_connection_instance[$connection_id]->close();

            # 销毁对象
            Database_Driver_Mongo::$_connection_instance[$connection_id] = null;
            Database_Driver_Mongo::$_connection_instance_db[$connection_id] = null;

            unset(Database_Driver_Mongo::$_connection_instance[$connection_id]);
            unset(Database_Driver_Mongo::$_connection_instance_db[$connection_id]);
            unset(Database_Driver_Mongo::$_current_databases[$connection_id]);
            unset(Database_Driver_Mongo::$_current_charset[$connection_id]);
            unset(Database_Driver_Mongo::$_current_connection_id_to_hostname[$connection_id]);
        }
        else
        {
            Core::debug()->info($key.' mongo '.Database_Driver_Mongo::$_current_connection_id_to_hostname[$connection_id].' connection has closed.');
        }

        $this->_connection_ids[$key] = null;
    }
}