declare @起初数 int
set @起初数=20select *,0 FSum into # from 表update # set @起初数=case when FType=1 then @起初数+FNum else @起初数-FNum end,FSum=@起初数select * from #drop table #
set @起初数=20select *,0 FSum into # from 表update # set @起初数=case when FType=1 then @起初数+FNum else @起初数-FNum end,FSum=@起初数select * from #drop table #
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