导入数据时, 存在的更新, 不存在的插入

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CREATE?trigger?tr_bank3?ON?bank3
AFTER?INSERT
AS
?
?
????Update?bank1?set?bank1.fmoney=bank1.fmoney+c.a?
??????From?
????????(select?fid,sum(case?when?TYPE=0?then?fmoney?when?type=1?then?-fmoney?end)?as?a?From?bank3?group?by?Fid)?C?
????where?
????????C.FID=bank1.FID?
????????AND?EXISTS(SELECT?1?FROM?INSERTED?WHERE?Fid=bank3.Fid))
?
????insert?into?bank1?
????select?
????????fid,????????sum(case?when?TYPE=0?then?fmoney???when?type=1?then?-fmoney?end)?as?a?
????from?
????????bank3?AS?a
????WHERE?
????????EXISTS(SELECT?1?FROM?INSERTED?WHERE?Fid=a.Fid)
????AND?
????????NOT?EXISTS(SELECT?1?FROM?bank1?WHERE?Fid=a.Fid)
????group?by?Fid

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