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  1. #1

    Default Full outer join on string key

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    Hi all, I am trying to make full outer join on those key where the keys are strings. It doesn't work well.

    If I do the same thing with the numbers, I get valid results.

    An inner join is not an option because I need to see what has matched and what didn't.

    Any idea?


  2. #2
    Join Date
    May 2016


    You'll have to provide more details to get help. Why doesn't it work well? Are you not getting the expected output? Does it throw an error? Is the transformation executing without ending?
    OS: Ubuntu 16.04 64 bits
    Java: Openjdk 1.8.0_131
    Pentaho 6.1 CE

  3. #3


    I am getting the output, no official error reported.

    If I have the case where country_c = "Italy" and Name_Common ="Italy" they still mismatch providing the following output:

    Id country_client alter_id Name_Common
    1 Italy
    2 Germany
    3 England
    178 Italy
    179 Germany
    180 England

  4. #4
    Join Date
    Sep 2011


    have you tried Merge Join step with Full Outer join , i check with Merge join and got correct result.

  5. #5


    I tried that as well and activated trims. Still no luck. Any other idea please?

  6. #6


    I am using the trim option so that should take care of the spaces. You were right about the encoding. It's different (UTF-16 and UTF-8). How can I overcome that?
    I can't change the data, it is what it is unfortunately.

  7. #7
    Join Date
    Nov 2013


    Check for trailing spaces. Check you are using the same encoding on both data flows.

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