sql实现从两个表获取字段组成表数据再插入到函数表中

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  实现此效果说起来比较难以说明,我这里还是先将实现的效果已图的形式展示一下吧。


这是两个表的设计。我想实现的效果举个例子,以查询secretaryCharge为例:

点击“市级”,我将查询到市级一下所有“区级”的secretaryCharge数目,并通过organizations中的fullName来作为名字,查到的统计数目作为值。得到的效果便是如下图所示:


具体实现sql语句就是用到join on,sql语句具体如下:

insert @result(fullName,paramer)(select fullName,villageCharge from (select fullName,orgID from organizations where parent=@orgId) as orgInfojoin(select DJCharge.parentOrg as parent ,sum(villageCharge) as villageChargefrom DJCharge,organizations where year=@year and DJCharge.orgID=organizations.orgID and DJCharge.parentOrg in(select distinct orgID from organizations where parent=@orgID)group by DJCharge.parentOrg) as DJChargeInfoon orgInfo.orgID=DJChargeInfo.parent   )

这里我省略了定义、声明等过程,此段代码是begin-end块中的。用了groupby,不用的话则会统计总数,而不能将子查询分开统计。

如果需要统计一个表中的多个字段统计数,join-on还可以继续使用,代码例子如下所示:

insert @result (regionFullName,countmale,countfemale)(        select fullName,countmale,countfemale        from        (select fullName,orgID from organizations where parent=@orgID) as orgInfofull join(select count(*) as countmale,SUBSTRING(parentOrg,2,6) AS parent from partyMembers where sex='男' and substring(parentOrg ,2,6)in( select substring(orgID,2,6) AS validOrgID From organizations where parent=@orgID)  group by substring(parentOrg,2,6))as Maleon substring(orgInfo.orgID,2,6)=Male.parent full join(select count(*) as countfemale,substring(parentOrg,2,6)AS parent from partyMembers where sex='女' and substring(parentOrg ,2,6)in( select substring(orgID,2,6) AS validOrgID From organizations where parent=@orgID)  group by substring(parentOrg,2,6))as Femaleon substring(orgInfo.orgID,2,6)=Female.parent )

这里我用了full join全连接,目的是在显示时只要组成的表中有一个字段有值,这一行都得到。查询效果如下:


如果不使用全连接可能会产生多余两行结果。


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