[英]Why is Entity Framework producing nested SELECT queries with duplicated SQL?
[英]entity framework nested select queries
我有一個SQL查詢,應該在實體框架中使用它。 我是Entity的新手,我不知道該怎么做。 我的查詢是:
SELECT EKIP,
COUNT (SAGLA) AS KPISAYISI
FROM
(SELECT M.APPLICATIONID AS ORTAM,
MNAME AS SERVIS,
sum(AVAIL*HIT)/SUM(HIT) AS SAGLA,
SUM(HIT) AS CAGRI ,
(SELECT DOMAINNAME
FROM SOAGOVERNANCE_SERVICE D
WHERE D.NAME=m.MNAME
AND D.APPLICATIONID=m.APPLICATIONID) AS EKIP
FROM SOAGOVERNANCE_METRICLOG m
WHERE MDATE BETWEEN '2013-01-01 01:00:00' AND '2013-02-01 01:00:00'
AND MTYPE='SERVICE'
GROUP BY APPLICATIONID,
MNAME) S
WHERE S.CAGRI > 3
AND S.SAGLA<90
GROUP BY EKIP
ORDER BY EKIP
最簡單的方法是使用查詢創建sql視圖。 然后在視圖上創建實體。
還是要在實體中進行完整查詢?
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