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DTS Error: Operand Type clash: uniqueidentifier is incompatible with numeric

Posted on 2004-04-02
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Last Modified: 2012-05-04
Hi all,

Using the Data Driven Query task I'm trying to insert data into a table. One of the required fields is a foreign key to another table. I'm using a Lookup to retrieve the valid uniqueidentifier.

My problem comes in trying to assign it to the uniqueidentifier row on the destination table. I have tried casting it using CStr, CLng and just as it is, but to no avail.

Urgent response required!

Regards,
Js

Here is the code:

'=========================================================================================
'Transform each row
'------------------------------------------------------------------------------------------
Function Main()
  Dim LookupDataName, DataValue, EffectiveDate

  LookupDataName = DTSSource("Identifier1") & " " & DTSSource("Identifier2") & " "
  LookupDataName = LookupDataName & DTSSource("Identifier3") & " " & DTSSource("Identifier4") & " ("
  LookupDataName = LookupDataName & DTSSource("ISPCurrency") & "/" & DTSSource("ISPUOM") & ")"
  LookupDataName = ucase(LookupDataName)
 
  DataValue = CDbl(DTSSource("PriceValueStr")) / 100000

  EffectiveDate = DTSSource("EffectiveDateDay") & " " & MonthName(DTSSource("EffectiveDateMonth"), true) & " " & DTSSource("EffectiveDateYear")
  if (isnull(DTSLookups("GetDataDefinitionsGUID").Execute(LookupDataName)) = false) then


'THIS LINE GIVES THE ERROR
    DTSDestination("DataDefinitionsGUID") = DTSLookups("GetDataDefinitionsGUID").Execute(LookupDataName)


    DTSDestination("EffectiveDateFrom") = CDate(EffectiveDate)
    DTSDestination("EffectiveDateTo") = CDate(EffectiveDate)
    if DTSSource("Sign") = "-" then
      DataValue = DataValue * -1
    end if
    DTSDestination("DataValue") = DataValue

    if ucase(DTSSource("CorrectionFlag")) = "C" then
      Main = DTSTransformstat_UpdateQuery
    else
      Main = DTSTransformstat_InsertQuery
    end if
  end if
End Function

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Question by:johan777
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8 Comments
 
LVL 13

Expert Comment

by:danblake
ID: 10740154
Operand Type clash: uniqueidentifier is incompatible with numeric -- Is the destination field a numeric field ?

If so this is not supported.

uniqueidentifiers can only be inserted into :
binary/varbinary/nvarchar/varchar/char/nchar or a sql_varient field.

What is the underlying format of the destination field you are trying to place the uniqueidentifier value into ?
0
 

Author Comment

by:johan777
ID: 10740511
Hi

Both fields are of type uniqueidentifier.

Regards,
Js
0
 
LVL 34

Expert Comment

by:arbert
ID: 10741718
Have you made sure that your lookup is actually returning a match and that it's not empty?

What does your lookup query look like?
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Author Comment

by:johan777
ID: 10747082
Hi Arbert,

The lookup is as follows:

/* DataDefinitionsGUID is the primary key */
/* DataName is an alternate key (unique index) */
select DataDefinitionsGUID
  from DataDefinitions
 where DataName = ?

I assign the a concatenation of the source columns to make up the DataName.
I is very possible that the lookup might not find anything, thus returning null, I assume.

Also note from the code above, that I only do the assignment if the returned value is not null.
  .. if (isnull(DTSLookups("GetDataDefinitionsGUID").Execute(LookupDataName)) = false) then ..

Regards,
Js
0
 
LVL 34

Expert Comment

by:arbert
ID: 10749447
A lookup doesn't return null--it returns empty (different).  You need to check for isempty
0
 

Author Comment

by:johan777
ID: 10757025
Hi Arbert and all,

It seems that the loop executes correctly when no lookup entry was found, but it is when a result is present that the error occur.

I have changed the dts package to use sql scripts as a workaround, although I would have preffered to do it correctly.

Thanx for the suggestions, pity it did not work.

What would be the correct way to resolve this question thread?

Regards,
Js
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LVL 1

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