--正积分表
CREATE table tb1
([memberId] [nvarchar](50) NOT NULL,[pointProduceTime] [nvarchar](50) NOT NULL,[type] [nvarchar](50) NULL,[point] [int] NULL
)
INSERT INTO tb1 VALUES ('1007307','2017-02-06 00:00:00','1',360)
INSERT INTO tb1 VALUES ('1007307','2017-03-17 00:00:00','1',930)
INSERT INTO tb1 VALUES ('1007307','2017-03-19 00:00:00','2',890)
INSERT INTO tb1 VALUES ('1007307','2017-06-09 21:52:14','1',700)
INSERT INTO tb1 VALUES ('1007307','2017-08-28 22:26:12','1',1090)
INSERT INTO tb1 VALUES ('1007307','2017-10-23 21:16:29','1',1330)--负积分表
CREATE table tb2
([memberId] [nvarchar](50) NOT NULL,[pointProduceTime] [nvarchar](50) NOT NULL,[type] [nvarchar](50) NULL,[point] [int] NULL
)
INSERT INTO tb2 VALUES ('1007307','2017-09-23 21:04:50','1',-1090)
INSERT INTO tb2 VALUES ('1007307','2017-11-10 12:56:21','5',-2500)

--正积分
SELECT IDENTITY(INT,1,1) as id,memberId,pointProduceTime,type,point,point as lesspoint
INTO #tb1
FROM tb1--负积分
SELECT IDENTITY(INT,1,1) as id,memberId,pointProduceTime,type,point
INTO #tb2
FROM tb2declare @inid int
declare @innum int
declare @indate date
declare @outid int
declare @outnum int
declare @outdate date
DECLARE @lessnum int
--负积分游标
declare xrxc_cursorf cursor
for
select id,pointProduceTime,point from #tb2 order by pointProduceTime
open xrxc_cursorf
fetch next from xrxc_cursorf into @outid,@outdate,@outnum --遍历每行数据
WHILE @@FETCH_STATUS=0
BEGIN--正积分游标declare xrxc_cursorz cursor for select id,pointProduceTime,point,lesspoint from #tb1 where lesspoint>0 order by pointProduceTimeopen xrxc_cursorz fetch next from xrxc_cursorz into @inid,@indate,@innum,@lessnum --遍历每行数据WHILE @@FETCH_STATUS=0BEGIN--方法参考一IF @outnum<=0beginIF @innum >= @outnum*-1beginupdate #tb1 SET lesspoint=@outnum+@innum where id=@inidendelsebeginupdate #tb1 SET lesspoint=0 where id=@inidendSET @outnum = @outnum+@lessnum    endelseupdate #tb1 SET lesspoint=@lessnum where id=@inidfetch next from xrxc_cursorz into @inid,@indate,@innum,@lessnum/*--方法参考二set @outnum=@outnum+@lessnumIF @outnum<=0beginupdate #tb1 SET lesspoint=0 where id=@inidendelsebeginIF @outnum<@innumBEGINupdate #tb1 SET lesspoint=@outnum where id=@inidendendfetch next from xrxc_cursorz into @inid,@indate,@innum,@lessnum*/ENDclose xrxc_cursorzdeallocate xrxc_cursorzfetch next from xrxc_cursorf into @outid,@outdate,@outnum
END
close xrxc_cursorf
deallocate xrxc_cursorf
select * from #tb1
select * from #tb2 DROP TABLE #tb1
DROP TABLE #tb2