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SQL 实现,如果存在就更新,如果不存在就添加

alter proc proc_DataSummaryasbegin    begin try        begin tran            --PV            --统计的信息存入临时表            select SharedUserID,PlatformID,CONVERT(varchar(100), CreateDate, 111) as CreatDate,ChannelID,SharedManagerID,COUNT(*) as Qty into #PVData from dbo.PVInfo where SharedLevel=1 group by SharedUserID,PlatformID,ChannelID,SharedManagerID,CONVERT(varchar(100), CreateDate, 111)            --更新将统计己存在的信息            update dbo.DataSummary set PV=dbo.#PVData.Qty from #PVData            where dbo.DataSummary.UserID=dbo.#PVData.SharedUserID and dbo.DataSummary.PlatformID=dbo.#PVData.PlatformID and dbo.DataSummary.ChannelID=dbo.#PVData.ChannelID            and dbo.DataSummary.ManagerID=dbo.#PVData.SharedManagerID and dbo.DataSummary.SummaryDate=dbo.#PVData.CreatDate            --统计新的PV信息            insert into dbo.DataSummary            select SharedUserID,PlatformID,CreatDate,ChannelID,SharedManagerID,Qty,0,0,0,0,0,0,GETDATE() from dbo.#PVData a             where not exists(select * from dbo.DataSummary where dbo.DataSummary.UserID=a.SharedUserID and dbo.DataSummary.PlatformID=a.PlatformID and dbo.DataSummary.ChannelID=a.ChannelID             and dbo.DataSummary.ManagerID=a.SharedManagerID and dbo.DataSummary.SummaryDate=a.CreatDate )                    --UV            --统计的信息存入临时表            select SharedUserID,PlatformID,CONVERT(varchar(100), CreateDate, 111) as CreatDate,ChannelID,SharedManagerID,COUNT(*) as Qty into #UVData from dbo.UVInfo where SharedLevel=1 group by SharedUserID,PlatformID,ChannelID,SharedManagerID,CONVERT(varchar(100), CreateDate, 111)            --更新将统计己存在的信息            update dbo.DataSummary set UV=dbo.#UVData.Qty from #UVData            where dbo.DataSummary.UserID=dbo.#UVData.SharedUserID and dbo.DataSummary.PlatformID=dbo.#UVData.PlatformID and dbo.DataSummary.ChannelID=dbo.#UVData.ChannelID            and dbo.DataSummary.ManagerID=dbo.#UVData.SharedManagerID and dbo.DataSummary.SummaryDate=dbo.#UVData.CreatDate            --统计新的UV信息            insert into dbo.DataSummary            select SharedUserID,PlatformID,CreatDate,ChannelID,SharedManagerID,Qty,0,0,0,0,0,0,GETDATE() from dbo.#UVData a             where not exists(select * from dbo.DataSummary where dbo.DataSummary.UserID=a.SharedUserID and dbo.DataSummary.PlatformID=a.PlatformID and dbo.DataSummary.ChannelID=a.ChannelID             and dbo.DataSummary.ManagerID=a.SharedManagerID and dbo.DataSummary.SummaryDate=a.CreatDate )                     commit tran    end try    begin catch        rollback tran    end catchend