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Thread: Error in merge join

  1. #1
    Join Date
    Jun 2015
    Posts
    2

    Unhappy Error in merge join

    I am new to pentaho.. I am trying to join two CSV files using inner join having a common field called "parent" but it shows an error saying 'there weren't any rows to display for this step'.
    What could be the possible reasons for this issue?Name:  Capture.jpg
Views: 39
Size:  18.1 KB

  2. #2

    Default

    With Merge Join each rowset must be sorted by the join keys.

  3. #3
    Join Date
    Sep 2013
    Posts
    235

    Default

    +1 for sort before merge. You may use Sort Rows step twice - one for RTC and one for APP

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