select * from (select * from user order by date desc) as u group by u.user_id limit 0,10;试试这个,这里表名用此源的是user,替换成你自己的吧拦扒镇。如果不是你想要的,可以加我百简粗度hi好友,根据你的具体要求来解决。
select * from user group by user_id order by date desc limit 0,10