link.id as id, u.id as "sysUser.id", u.name as "sysUser.name", t2.id AS "sysUser.deptId", t2.`name` AS "sysUser.deptName", area.id as "area.id", area.area_code as "area.areaCode", area.area_cname AS "area.areaCname", CONCAT(IFNULL(ppArea.area_cname,"") , IFNULL(pArea.area_cname,""),IFNULL(area.area_cname,"")) as "area.allName" delete from sys_user_link_area where user_id=#{userId}