SQL问题
select distinct g.*from groups g inner join topics t on (t.group_id = g.id)
order by t.created_at desc
limit 0,6
为什么结果不对?
相对于
select g.*
from groups g inner join topics t on (t.group_id = g.id)
order by t.created_at desc
limit 0,6明显不一致
页:
[1]