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AndreaF's avatar
AndreaF
Contributor III
2 years ago
Solved

Connector rule - drill back IF statement

Hi, I am experiencing a strange behavior with a piece of code in the drill back of a connector rule. I have the following piece of code:   If StageTableFields.StageSourceData.DimUD1.XFEqualsIgno...
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  • AndreaF's avatar
    AndreaF
    2 years ago

    Thank you Daniel, I have used the below to check what was happening with the IF statement

    Throw New XFUserMsgException(si,sqlScript.ToString,"","")

    and I discovered that the StageTableFields.StageSourceData.DimUD1 command returns the string "UD1", while what I wanted was the source value (e.g. "Zero"), so the correct code is the following

    If sourceValues.Item(StageTableFields.StageSourceData.DimUD1).ToString.XFEqualsIgnoreCase("Zero") Then
    whereClause.Append("And (Department IS NULL) ")
Else
    whereClause.Append("And (Department = '" & SqlStringHelper.EscapeSqlString(sourceValues.Item(StageTableFields.StageSourceData.DimUD1).ToString) & "') ")
End If

     It was only a coincidence that in my original code was returning rows with Null Department when excluding the Else condition.

DanielWillis's avatar
DanielWillis
Valued Contributor
2 years ago

It sounds like your assumption is that your initial IF condition is being met. Are you sure that is the case? Perhaps no 'where' clause is getting appended when you omit the ELSE as it's not meeting the IF condition and whe you include it, all of a sudden you're limiting the query to an empty resulset

  • AndreaF's avatar
    AndreaF
    Contributor III
    2 years ago

    Thank you Daniel, I have used the below to check what was happening with the IF statement

    Throw New XFUserMsgException(si,sqlScript.ToString,"","")

    and I discovered that the StageTableFields.StageSourceData.DimUD1 command returns the string "UD1", while what I wanted was the source value (e.g. "Zero"), so the correct code is the following

    If sourceValues.Item(StageTableFields.StageSourceData.DimUD1).ToString.XFEqualsIgnoreCase("Zero") Then
    whereClause.Append("And (Department IS NULL) ")
Else
    whereClause.Append("And (Department = '" & SqlStringHelper.EscapeSqlString(sourceValues.Item(StageTableFields.StageSourceData.DimUD1).ToString) & "') ")
End If

     It was only a coincidence that in my original code was returning rows with Null Department when excluding the Else condition.

    • DanielWillis's avatar
      DanielWillis
      Valued Contributor
      2 years ago

      Nothing seems to beat fresh eyes on an issue sometimes!