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Long string not allowed in WHERE clause


in my program on Netweaver 7.02 I'm using a SELECT with a WHERE clause on a long string :


FROM edid4


WHERE docnum = it_edidc-docnum

AND segnam = 'E1RDID'


This works great on NW702.

But now we are upgrading to NW740, and the statement is not allowed anymore :-(

Error message :

The field SDATA is a long string or a text and cannot be used in the WHERE condition.

Is there a good alternative to perform this select ?

Performance wise it's not good to first read all entries, loop over them and check the SDATA field.



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3 Answers

  • Best Answer
    Posted on Jul 08, 2016 at 03:57 PM

    Why do you need this? If you're on 7.4 then most likely you also have the new IDoc monitor transaction WLF_IDOC that can search for the segment content. It runs quite fast in our environment and is much more convenient than the old WE09 transaction.

    If you still must have a custom report then maybe it's worth checking the code in that transaction.

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  • Posted on Jul 08, 2016 at 08:25 AM

    The release notes say:

    Corrections when using the predefined types LCHR and LRAW from ABAP Dictionary.

    Columns of the types LCHR and LRAW cannot be used in comparisons of the WHERE condition. Before Release 7.40 SP02, this produced a runtime error. From Release 7.40 SP02, this also produces a syntax error (if statically identifiable).

    ...which indicates you should have been getting a runtime error with your select! So it's a bit odd that it used to work.

    I'm afraid I cannot think of an alternative approach to what you've already suggested - expect possibly using an INNER JOIN instead of FOR ALL ENTRIES, if that's feasible.

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  • Posted on Jul 08, 2016 at 03:02 PM


    I think performance wise it shouldn't be longer than you had previously.

    Unfortunately you don't have data to test the differences.

    Kind regards, Rob Dielemans

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