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Updated Function JoinString() to add mandatory parenthesis support on MS Access JOIN Query #36

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Updated Function JoinString() to add mandatory parenthesis support on MS Access JOIN Query #36

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15 changes: 14 additions & 1 deletion src/ClassModules/SQLSelect.cls
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,7 @@ End Function

Private Function JoinString()
Dim R As Long
Dim I As Long
Dim Lines() As String
Dim Line As String
Dim LineArray As Variant
Expand All @@ -236,7 +237,19 @@ Private Function JoinString()
If LineArray(3) <> "" Then
Line = Line & " ON " & LineArray(3)
End If
Lines(R) = Line
'Add inicial open parenthesis as needed join
If R = 0 And UBound(aJoin) > 1 Then
For I = 2 To UBound(aJoin)
Line = " ( " & Line
Next I
Lines(R) = Line
'Add close parenthesis for join
ElseIf R > 0 And R < UBound(aJoin) And UBound(aJoin) > 1 Then
Lines(R) = Line & " ) "
Else
'Normal output
Lines(R) = Line
End If
Next R
JoinString = Join(Lines, " ")
End Function
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