日期:2014-05-18 浏览次数:20547 次
--求24小时评论排行榜(只要前3条数据)
select top 3
row_number() over(order by getdate()) '排名',
a.gno '商品编号',b.title '商品名',a.ct '评论数'
from
(select gno,count(*) ct
from Subjects
where comType='评论' and poState='通过'
and datediff(hh,poDate,getdate())<=24
group by gno
) a
inner join Goods b on a.gno=b.gno
order by a.ct desc
--求7天评论排行榜(只要前3条数据)
select top 3
row_number() over(order by getdate()) '排名',
a.gno '商品编号',b.title '商品名',a.ct '评论数'
from
(select gno,count(*) ct
from Subjects
where comType='评论' and poState='通过'
and datediff(d,poDate,getdate())<=7
group by gno
) a
inner join Goods b on a.gno=b.gno
order by a.ct desc