select * into #rrr from [OA_test].[dbo].[Company_KLFolder] ----新建臨時表#rrr
declare @KLFGUID uniqueidentifier
declare @CGUID uniqueidentifier
declare @count int
declare @Sequence int
WHILE EXISTS(select [KLFGUID] from #rrr) ---遍歷臨時表
begin
SET ROWCOUNT 1 ---------設置影響行數爲1
select @KLFGUID=cast([KLFGUID] as varchar(max)),@CGUID=CGUID from #rrr order by [CGUID] desc
print cast(@KLFGUID as varchar(max))
print cast(@CGUID as varchar(max))
set rowcount 0 ---------設置影響行數 不限制
select @Sequence = max([KLFSequence]) from [OA_test].[dbo].[Company_KLFolder] where CGUID = @CGUID
update Company_KLFolder set [KLFSequence] = (@Sequence+1) where [KLFGUID] = @KLFGUID
delete from #rrr where [KLFGUID] = @KLFGUID ------刪除臨時表中遍歷過的本條數據
end
drop table #rrr ----刪除臨時表