Hi Steffen,

I have tried the solution with DEFAULT NULL for the boolean columns
- and it works fine!

Thanks a lot  for your help,
Thomas


>Hi Thomas,
>well, yes it is a bug in handling multiple boolean values if more than
>one of them are
>evaluated to a null condition.
>You can overcome this problem by using the following syntax - I hope it
>is
>an applicable solution for you.
>
>import table testtab
>update duplicates
>data instream file 'test.dat'
>NULL 'NULL'
>id 1
>field1 2 DEFAULT NULL
>field2 3 DEFAULT NULL
>
>If you're familiar with ADABAS this DEFAULT NULL should be known. You
>need
>to mark all columns that you expect NULL values for with DEFAULT NULL.
>This
>will work if you have the same NULL value representation for all fields
>in
>your data file.
>
>Regards,
> Steffen
>-- 
>Steffen Schildberg
>MaxDB Team
>SAP Labs Berlin 
>


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