[英]add a row to query in MS-ACCESS SQL
I'm trying to add to the following query:我正在尝试添加到以下查询:
strSQL = "SELECT fldName, blkName, CDbl(fldValue) " & _
"FROM dbSecurities2 as S " & _
"WHERE " & _
"S.isin='" & Code & "' " & _
"AND " & _
"S.fldName='" & fldName & "' "
A row that makes the sum of the fldValue like:使 fldValue 之和的行如下:
strSQL = "SELECT fldName, blkName, CDbl(fldValue) " & _
"FROM dbSecurities2 as S " & _
"UNION " & _
"SELECT Sum(fldValue) AS fldValue " & _
"WHERE " & _
"S.isin='" & Code & "' " & _
"AND " & _
"S.fldName='" & fldName & "' "
the error is:错误是:
Run -time error '3141'.
运行时错误“3141”。 The SELECT statement includes a reserved word or an argument name that is misspelled or missing, or the punctuation is incorrect
SELECT 语句包含保留字或参数名称拼写错误或缺失,或标点不正确
I found this is working:我发现这是有效的:
strSQL = "SELECT fldName, blkName, CDbl(fldValue) " & _
"FROM dbSecurities2 as S " & _
"WHERE " & _
"S.isin='" & Code & "' " & _
"AND " & _
"S.fldName='" & fldName & "' " & _
"UNION " & _
"SELECT '' AS fldName, 'Total' AS Total, Sum(CDbl(fldValue)) " & _
"FROM dbSecurities2 AS B " & _
"WHERE " & _
"B.isin='" & Code & "' " & _
"AND " & _
"B.fldName='" & fldName & "' "
This should run as expected:这应该按预期运行:
strSQL = "SELECT fldName, blkName, CDbl(fldValue) " & _
"FROM dbSecurities2 AS S " & _
"WHERE " & _
"S.isin='" & Code & "' " & _
"AND " & _
"S.fldName='" & fldName & "' " & _
"UNION ALL " & _
"SELECT TOP 1 "", "Total", Sum(CDbl(fldValue)) " & _
"FROM dbSecurities2"
If you have Null values, use Nz :如果您有Null值,请使用Nz :
strSQL = "SELECT fldName, blkName, CDbl(Nz(fldValue, 0)) " & _
"FROM dbSecurities2 AS S " & _
"WHERE " & _
"S.isin='" & Code & "' " & _
"AND " & _
"S.fldName='" & fldName & "' " & _
"UNION ALL " & _
"SELECT TOP 1 "", "Total", Sum(CDbl(Nz(fldValue, 0))) " & _
"FROM dbSecurities2"
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