select a.* from unit_info a a.del_flag = '0' and a.nick_name like concat('%',#{req.nickName},'%') and a.dwlx = #{req.dwlx} and a.user_name like concat('%',#{req.userName},'%') select a.*,c.* from unit_info a left join unit_other_contact c on a.id = c.unit_id where id = #{id} select user_name from unit_info where id in #{id} update unit_info set del_flag = '2' where id in #{ids} update sys_user set del_flag = '2' where user_name in #{userNames}