我正在尝试开发一个查询以仅返回非重复记录,以便我可以将这些记录添加到我的数据库中,但我不断收到此错误:
消息 2627,级别 14,状态 1,第 1 行
违反主键约束“PK_j5c_MasterMeasures”。
无法在对象“dbo.j5c_MasterMeasures”中插入重复键。
该语句已终止。
这是我正在使用的最新查询:
CREATE TABLE #GOOD_RECORDS3 (STUDENTID VARCHAR(50), MEASUREDATE SMALLDATETIME,
measurename VARCHAR(100), LabelName VARCHAR(100), score_10 VARCHAR(100))
INSERT INTO #GOOD_RECORDS3
select A.studentid, A.measuredate, B.measurename, B.LabelName, A.score_10
from [J5C_Measures_Sys] A join [J5C_ListBoxMeasures_Sys] B on
A.MeasureID = B.MeasureID
where score_10 is not null and score_10 <> '0'
except
select A.studentid, A.measuredate, B.measurename, B.LabelName, A.score_10
from [J5C_Measures_Sys] A join [J5C_ListBoxMeasures_Sys] B on
A.MeasureID = B.MeasureID
where score_10 is not null and score_10 <> '0'
GROUP BY A.studentid, A.measuredate, B.measurename, B.LabelName, A.score_10
having COUNT(A.score_10) > 1
delete #GOOD_RECORDS3
from #GOOD_RECORDS3 a
join sysobjects so on so.name = 'J5C_Measures_Sys' AND so.type = 'u'
join syscolumns sc on so.id = sc.id and sc.name = 'score_10'
join [J5C_MeasureNamesV2_Sys] v on v.Score_field_id = sc.name
WHERE A.SCORE_10 IS NOT NULL AND A.STUDENTID IS NOT NULL AND
A.MEASUREID IS NOT NULL
and exists (select 1 from J5C_MasterMeasures M
where M.StudentID = A.StudentID
and M.MeasureID = A.MeasureID)
Insert into J5C_MasterMeasures (studentid, measuredate, measureid, nce)
select A.studentid, A.measuredate, a.MEASUREID, A.score_10
from #GOOD_RECORDS3 a
join sysobjects so on so.name = 'J5C_Measures_Sys' AND so.type = 'u'
join syscolumns sc on so.id = sc.id and sc.name = 'score_10'
join [J5C_MeasureNamesV2_Sys] v on v.Score_field_id = sc.name
WHERE A.SCORE_10 IS NOT NULL AND A.STUDENTID IS NOT NULL AND
A.MEASUREID IS NOT NULL
令人困惑的部分是来自 M5C_Measures_Sys = 的 MeasureId B.measurename + ' ' + B.Labelname
。这是来自以下的一些示例数据#GOOD_RECORDS3
:
1 2006-03-01 00:00:00 ISAT Reading ISAT Reading 564
10005 2003-11-17 00:00:00 TerraNova Reading TerraNova Reading 19
10005 2003-11-17 00:00:00 TerraNova Science TerraNova Science 26
10005 2003-11-17 00:00:00 TerraNova Total Battery TerraNova Total Battery 22
10005 2003-11-17 00:00:00 TerraNova Total Language TerraNova Total Language 43
所以你可以看到b.measurename = b.labelname
。上面的错误发生在插入。
您的回答查询结果如下:
1 2006-03-01 00:00:00 ISAT Reading ISAT Reading 564
10005 2003-11-17 00:00:00 TerraNova Reading TerraNova Reading 19
10005 2003-11-17 00:00:00 TerraNova Science TerraNova Science 26
10005 2003-11-17 00:00:00 TerraNova Total Battery TerraNova Total Battery 22
10005 2003-11-17 00:00:00 TerraNova Total Language TerraNova Total Language 43