未用SQL CTE and case when：
ALTER PROCEDURE [dbo].[usp_rptDropboxBatchSummary1]
@DataSource varchar(10)='ALL',
@BatchNum varchar(8)='ALL',
@CurrentProcess varchar(10)='ALL'
AS
BEGIN
SET NOCOUNT ON;
--select * from PVBatch
--select * from pvitem
--0.set the source table
select IDENTITY(int,1,1) as id,DataSourceID,BatchNum,CurrentProcess,BatchStatus,TotalChequeCount,0 as RejectChequeCount,0 as AcceptChequeCount,
0 as HostPostedCount,convert(varchar(10),'') as SplitBatchNum,Currencycode,0 as SplitBatchAcceptCount,convert(decimal(18,2), 0) as SplitBatchClearingChqAmt,Extracted
into #temp_RptBatchs from PVBatch with(nolock) where 1=1
--where (DataSourceID=@DataSource or @DataSource='ALL')
--and (BatchNum=@BatchNum or @BatchNum='ALL')
--and (CurrentProcess=@CurrentProcess or @CurrentProcess='ALL')
--1.get the conditon data from PVItem
select i.BatchNum,i.CurrencyCode,ItemStatus,HostPostStatus,isnull(ClearingChqAmt,0) as ClearingChqAmt,b.Extracted into #temp_batchItems from PVItem i with(nolock)
join PVBatch b on i.batchnum=b.batchnum
where ItemType='C' and i.batchnum in (select batchnum from #temp_RptBatchs)
--2.get the RejectChequeCount and AcceptChequeCount and HostPostedCount
--3.set the RejectChequeCount
update a set a.RejectChequeCount=b.Rcount from #temp_RptBatchs a,
(select count(*) as Rcount,batchnum from #temp_batchItems where itemstatus='Reject' group by batchnum) b where a.batchnum=b.batchnum
--4.get the AcceptChequeCount
--5.set the AcceptChequeCount
update a set a.AcceptChequeCount=b.Rcount from #temp_RptBatchs a,
(select count(*) as Rcount,batchnum from #temp_batchItems where itemstatus='Accept' group by batchnum) b where a.batchnum=b.batchnum
--6.get the HostPostedCount
--7.set the HostPostedCount
update a set a.HostPostedCount=b.Rcount from #temp_RptBatchs a,
(select count(*) as Rcount,batchnum from #temp_batchItems where HostPostStatus='P' group by batchnum) b where a.batchnum=b.batchnum
--8.to get the split batch table group by the currency code
select batchNum,batchNum as SplitBatchNum,CurrencyCode,sum(ClearingChqAmt) as SplitClearingChqAmt,0 as SplitBatchAcceptCount,Extracted into #temp_SplitBatch
from #temp_batchItems group by CurrencyCode,batchNum,Extracted
--9.set the SplitBatchAcceptCount
update a set a.SplitBatchAcceptCount=b.AcceptCurrency from
(select batchNum,count(itemstatus) as AcceptCurrency,CurrencyCode from #temp_batchItems where itemstatus='Accept' group by CurrencyCode,batchNum) as b,#temp_SplitBatch a
where a.batchnum=b.batchnum and a.CurrencyCode=b.CurrencyCode
--10.process the splitbatchnum(120001 --> 130001 (HKD)140001 (USD)150001 (CNY) update the back fifth)
update #temp_SplitBatch set splitbatchnum=left(splitbatchnum,len(splitbatchnum)-5)+''+right(splitbatchnum,4) where currencycode='HKD' and (Extracted='Y' or Extracted='P')
update #temp_SplitBatch set splitbatchnum=left(splitbatchnum,len(splitbatchnum)-5)+''+right(splitbatchnum,4) where currencycode='USD' and (Extracted='Y' or Extracted='P')
update #temp_SplitBatch set splitbatchnum=left(splitbatchnum,len(splitbatchnum)-5)+''+right(splitbatchnum,4) where currencycode='CNY' and (Extracted='Y' or Extracted='P')
--11.update and insert the split data into the Rpt table
--select * from #temp_RptBatchs
--select * from #temp_SplitBatch
Select * from #temp_RptBatchs left join #temp_SplitBatch on #temp_RptBatchs.BatchNum = #temp_SplitBatch.BatchNum
drop table #temp_RptBatchs
drop table #temp_batchItems
drop table #temp_SplitBatch
END
使用SQL CTE and case when：
ALTER PROCEDURE [dbo].[usp_rptDropboxBatchSummary]
@DataSource varchar(10)='ALL',
@BatchNum varchar(8)='ALL',
@CurrentProcess varchar(10)='ALL'
AS
BEGIN IF @DataSource='ALL'
Begin
Set @DataSource=''
End ;With Batch as(
select DataSourceID,PVBatch.BatchNum,CurrentProcess,BatchStatus,TotalChequeCount,Extracted,currencycode from PVBatch
where (DataSourceID=@DataSource or @DataSource='')
and (isnull(@BatchNum,'')='' or BatchNum=@BatchNum or @BatchNum='ALL')
and (CurrentProcess=@CurrentProcess or @CurrentProcess='ALL')
),
Item as(
select BatchNum
,Sum(Case When itemstatus='Reject' Then 1 Else 0 End) as RejectCount
,Sum(Case When itemstatus='Accept' Then 1 Else 0 End) as AcceptCount
,Sum(Case When HostPostStatus='P' Then 1 Else 0 End) as HostPostCount from PVITem
Group By BatchNum
),
PItem as(
select PVBatch.BatchNum ,PVITem.currencycode,PVBatch.Extracted,
sum(ClearingChqAmt) as SplitClearingChqAmt
, Case When PVITem.currencycode='HKD' and (PVBatch.Extracted='Y' or PVBatch.Extracted='P') Then left(PVBatch.BatchNum,len(PVBatch.BatchNum)-5)+''+right(PVBatch.BatchNum,4)
When PVITem.currencycode='USD' and (PVBatch.Extracted='Y' or PVBatch.Extracted='P') Then left(PVBatch.BatchNum,len(PVBatch.BatchNum)-5)+''+right(PVBatch.BatchNum,4)
When PVITem.currencycode='CNY' and (PVBatch.Extracted='Y' or PVBatch.Extracted='P') Then left(PVBatch.BatchNum,len(PVBatch.BatchNum)-5)+''+right(PVBatch.BatchNum,4)
else PVBatch.BatchNum
End as SplitBatchNum
,Sum(Case When itemstatus='Accept' then 1 else 0 end) as SplitAcceptCount
from PVBatch Left join PVITem
on PVBatch.BatchNum = PVItem.BatchNum
where (PVBatch.DataSourceID=@DataSource or @DataSource='')
and (@BatchNum='ALL' or PVBatch.BatchNum=@BatchNum or isnull(@BatchNum,'')='')
and (PVBatch.CurrentProcess=@CurrentProcess or @CurrentProcess='ALL') Group By PVBatch.BatchNum,PVITem.currencycode,PVBatch.Extracted
) select
Batch.*, IsNull(Item.RejectCount,0) RejectCount, IsNull(Item.AcceptCount,0) AcceptCount, IsNull(Item.HostPostCount,0) HostPostCount
, Isnull(PITem.currencycode, Batch.currencycode) currencycode, Isnull(PITem.SplitClearingChqAmt,0) SplitClearingChqAmt,PITem.SplitAcceptCount, PItem.SplitBatchNum
, Case When row_number() over( PARTITION BY Batch. BatchNum order by SplitBatchNum) = 1 then 0 else 1 end groupflag
from Batch Left join Item
on Batch. BatchNum = ITem. BatchNum
Left join PITem
on Batch. BatchNum = PITem.BatchNum
order by Batch. BatchNum,PItem.SplitBatchNum End
结果集：
