[GitHub] flink issue #5742: [FLINK-9031] Fix DataSet Union operator translation bug.

[StephanEwen]

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/5742
  
    Thanks for updating this.
    The code looks good and the fix conceptually make perfect sense.
    
    Merging this...


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