[英]How to use having ,group by and distinct in linq or lambda expression
I need to convert the follwing query into linq or lambda expression 我需要将以下查询转换为linq或lambda表达式
SELECT count(Hid.HouseholdID) FROM
(SELECT HouseholdID FROM tblTmpJoinAll
WHERE loyal = 1 Group By HouseholdId
HAVING Count(distinct BasketID)>1) as Hid;
So Far I have tried 我到目前为止已经尝试过
lst.Where(f => f.Flybuys == true)
.GroupBy(h=>h.HouseholdID)
//.Where(x=>x.)// don't know what to right here
.Select(h => h.Key).Count();
I think this code works. 我认为这段代码有效。
lst.Where(f => f.Flybuys) // you don't need == true here
.GroupBy(f => f.HouseholdID)
.Where(f => f.GroupBy(i => i.BasketID).Count() > 1)
.Count();
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