select u.name as u_n, c.name as c_n, t.date
from login l
join user u on l.user_id=u.id
join client c on l.client_id=c.id
join (
select user_id,max(date) as date
from login
group by user_id
) as t on l.user_id=t.user_id and l.date=t.date
order by u_n

京公网安备 11010502036488号