select id, parent_id, ancestors, code, name, type, del_flag, create_by, create_time,update_by,update_time from sys_operate_type update sys_dept set ancestors = when #{item.id} then #{item.ancestors} where id in #{item.id} update sys_operate_type set del_flag = '2' where id = #{id} where del_flag = '0' AND id = #{id} select * from sys_operate_type where find_in_set(#{id}, ancestors) select count(1) from sys_operate_type where del_flag = '0' and parent_id = #{id} limit 1 where del_flag = '0' and id in #{id}