我正在尝试将 2 个表中的记录插入到另一个表中,而我要插入的表中尚不存在 AppID。
我已经尝试了下面的两个插入语句; 但是,我不断收到错误消息:
"Msg 2627,级别 14,状态 1,第 1
行违反主键约束"PK_tblHQTRR_BusiRisk_AppID"。无法在对象"dbo.tblHQTRR_BusiRisk"中插入重复的键。重复的键值为 (APPID-49348(。该声明已终止。
我的插入语句做错了什么?
插入我尝试过的语句:
INSERT INTO tblHQTRR_BusiRisk(AppID,AppName,Tier,QTRR,BusiRisk)
SELECT A.AppID, A.AppName, A.TierLevel, A.QTRR, R.BusiRisk
FROM tblApplication A INNER JOIN tblProject P ON A.AppID=P.AppID1 INNER JOIN tblRisk R ON P.ProjID=R.ProjID
WHERE A.AppID NOT IN (SELECT H.AppID FROM tblHQTRR_BusiRisk H) And P.AppID1 NOT IN (SELECT H.AppID FROM tblHQTRR_BusiRisk H)
And A.AppName IS NOT NULL And R.BusiRisk IS NOT NULL;
INSERT INTO tblHQTRR_BusiRisk(AppID,AppName,Tier,QTRR,BusiRisk)
SELECT A.AppID, A.AppName, A.TierLevel, A.QTRR, R.BusiRisk
FROM tblApplication A INNER JOIN tblProject P ON A.AppID=P.AppID1 INNER JOIN tblRisk R ON P.ProjID=R.ProjID LEFT JOIN tblHQTRR_BusiRisk H ON H.AppID=A.AppID And H.AppName=A.AppName And H.Tier=A.TierLevel And H.QTRR=A.QTRR And H.BusiRisk=R.BusiRisk
WHERE H.AppID IS NULL;
我发现我的陈述不起作用的原因是因为我为每个 AppID 有多个 BusiRisk 值。 因此,我在下面创建了以下语句,它奏效了! :)
WITH ProjWithMaxDate AS(
SELECT P.AppID1, MAX(P.ProjID) AS MaxProjID
FROM tblProject P
GROUP BY P.AppID1)
INSERT INTO tblHQTRR_BusiRisk (AppID,AppName,Tier,QTRR,BusiRisk)
SELECT P.AppID1
,A.AppName
,A.TierLevel
,A.QTRR
,R.BusiRisk
FROM tblApplication A
INNER JOIN tblProject P ON A.AppID = P.AppID1 INNER JOIN tblRisk R ON P.ProjID = R.ProjID INNER JOIN tblTimeline T ON P.ProjID=T.ProjID INNER JOIN ProjWithMaxDate ON P.AppID1=ProjWithMaxDate.AppID1 And P.ProjID=ProjWithMaxDate.MaxProjID
WHERE NOT EXISTS (SELECT H.AppID
FROM tblHQTRR_BusiRisk H
WHERE H.AppID = A.AppID
AND H.AppName = A.AppName
AND H.AppID = P.AppID1)
AND A.AppName IS NOT NULL AND R.BusiRisk IS NOT NULL;