昨天
select count(*) from orders where convert(varchar(10),addtime,120)=(select cast(datepart(year,getdate()) as varchar)+'-'+cast(datepart(month,getdate()) as varchar)+'-'+cast(datepart(day,getdate()-1) as varchar))
今天
select count(*) from orders where convert(varchar(10),addtime,120)=(select cast(datepart(year,getdate()) as varchar)+'-'+cast(datepart(month,getdate()) as varchar)+'-'+cast(datepart(day,getdate()) as varchar))
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