id, name, sname, code, type, parent_id, sort_position, longitude, latitude, full_name, remarks select id,name,code from t_language select concat(ifnull(concat(a1.parent_id,','),''),ifnull(concat(a.parent_id,','),''),a.id) from t_area a left join t_area a1 on a.parent_id = a1.id where a.id = #{areaId}