- SQL code
select invent.cDepotId,invent.cprodid ,case when in_iQuantity is null then 0 else in_iQuantity end in_iQuantity ,case when in_iSuCentiare is null then 0 else in_iSuCentiare end in_iSuCentiare ,case when in_iSuAmt is null then 0 else in_iSuAmt end in_iSuAmt ,case when ou_iQuanTity is null then 0 else ou_iQuanTity end ou_iQuanTity ,case when ou_iSuCentiare is null then 0 else ou_iSuCentiare end ou_iSuCentiare from (select depot.cDepotId,cDepotName,invent.cClassId,cProdid,cProdName,iCentiare,cSpecif,cUnit from invent FULL OUTER JOIN depot on invent.cProdid<>depot.cDepotId )invent left join (select cDepotId,paperlog.cProdId,sum(iQuanTity)in_iQuanTity,sum(iSuCentiare)in_iSuCentiare,sum(iSuAmt)in_iSuAmt from paperlog,papClass where paperlog.cPapcType=papClass.cPapcType and paperlog.iyear=2012 and paperlog.imonth=7 and papClass.cPapcName='入库' group by cDepotId,cProdId) inPaperlog on invent.cProdId=inPaperlog.cProdid and invent.cDepotId=inPaperlog.cDepotId left join (select cDepotId,paperlog.cProdId,sum(iQuanTity)ou_iQuanTity,sum(iSuCentiare)ou_iSuCentiare from paperlog,papClass where paperlog.cPapcType=papClass.cPapcType and paperlog.iyear=2012 and paperlog.imonth=7 and papClass.cPapcName='出库' group by cDepotId,cProdId)ouPaperlog on invent.cProdId=ouPaperlog.cProdId and invent.cDepotId=ouPaperlog.cDepotId where in_iQuantity<>0 or in_iSuCentiare<>0 or in_iSuAmt<>0 or ou_iQuanTity<>0 or ou_iSuCentiare<>0 order by invent.cprodid,invent.cDepotId
这个语句，执行不了，Sql服务器好像死循环了
如果把
where in_iQuantity<>0 or in_iSuCentiare<>0 or in_iSuAmt<>0 or ou_iQuanTity<>0 or ou_iSuCentiare<>0
这句给删除了，查询出来的记录也才80000多条
为什么会这样呢？
求师兄师姐给指点一下，谢谢！
------解决方案--------------------
case when in_iQuantity is null then 0 else in_iQuantity
这样的可以换成ISNULL(in_iQuantity ,0)
另外你的子查询也太多了 都是嵌套。
------解决方案--------------------
建议是使用临时表处理掉一部分子查询
------解决方案--------------------
- SQL code
--tryselect invent.cDepotId,invent.cprodid ,case when in_iQuantity is null then 0 else in_iQuantity end in_iQuantity ,case when in_iSuCentiare is null then 0 else in_iSuCentiare end in_iSuCentiare ,case when in_iSuAmt is null then 0 else in_iSuAmt end in_iSuAmt ,case when ou_iQuanTity is null then 0 else ou_iQuanTity end ou_iQuanTity ,case when ou_iSuCentiare is null then 0 else ou_iSuCentiare end ou_iSuCentiare from ( select depot.cDepotId,cDepotName,invent.cClassId,cProdid,cProdName,iCentiare,cSpecif,cUnit from invent FULL OUTER JOIN depot on invent.cProdid<>depot.cDepotId )invent left join ( select cDepotId,paperlog.cProdId, sum(case when papClass.cPapcName = '入库' then iQuanTity else null end) as in_iQuanTity, sum(case when papClass.cPapcName = '入库' then iSuCentiare else null end) as iSuCentiare, sum(case when papClass.cPapcName = '入库' then iSuAmt else null end) as iSuAmt, sum(case when papClass.cPapcName = '出库' then iQuanTity else null end) as ou_iQuanTity, sum(case when papClass.cPapcName = '出库' then iSuCentiare else null end) as ou_iSuCentiare from paperlog,papClass where paperlog.cPapcType=papClass.cPapcType and paperlog.iyear=2012 and paperlog.imonth=7 group by cDepotId,cProdId) Paperlogon invent.cProdId=Paperlog.cProdid and invent.cDepotId=Paperlog.cDepotId where in_iQuantity<>0 or in_iSuCentiare<>0 or in_iSuAmt<>0 or ou_iQuanTity<>0 or ou_iSuCentiare<>0 order by invent.cprodid,invent.cDepotId
------解决方案--------------------