运行此Linq查询时,我得到一个“NotSupportedException”。 “不支持指定的方法。”什么方法?即使“Count()”被注释掉了,错误也是一样的。空内部例外。NotSupportedException与linq查询和groupBy
堆栈跟踪:
在Hydra.WPF.ViewModels.AddressListViewModel._primaryMemberListWorker_DoWork(对象 发件人,DoWorkEventArgs e)如 M:\项目\水润\ WPF \的ViewModels \ AddressList中\ AddressListViewModel.cs:线 1377在 System.ComponentModel.BackgroundWorker.WorkerThreadStart(对象 参数)
SQL查询:
Select * From _Members
Inner Join AddressDetailsCCN a on a.MemberId=_Members.MemberID
Inner Join
(
Select Address+Address2 as CombinedAddress
From AddressDetailsCCN Where ListId=84
group by Address+Address2
Having COUNT(*)>1
) B on B.CombinedAddress=A.Address+A.Address2
Where CombinedAddress is not null AND CombinedAddress!='' AND a.ListId=84
Order by ClientID, CombinedAddress
的Linq:
var grouped =
(from mem in session.Query<Member>()
join detail in session.Query<Detail>() on mem.Id equals detail.Member.Id
join d2 in (from d3 in session.Query<Detail>()
where d3.AddressList.Id == criteria.AddressList.Id
group d3 by d3.Address + d3.Address2 into x
where x.Count() > 1
select x) on detail.Address+detail.Address2 equals d2.Key
where detail.AddressList.Id==criteria.AddressList.Id
select mem);
哪条线是1377? – walther
Hibernate的linq实现对基本操作符有问题。我想知道我们什么时候才能最终得到体面的实现...... –
1377只是调用存储此方法的存储库方法。 – Seraph812