Github user rmetzger commented on the pull request:
https://github.com/apache/incubator-flink/pull/61#issuecomment-64377332
I've added key expressions for distinct() as part of my pull request (See:
https://github.com/apache/incubator-flink/blob/master/flink-java/src/main/java/org/apache/flink/api/java/DataSet.java#L449)
I can manually merge the pull request and add the additional tests to the
system.
I'm going to assign the JIRA to myself to remember that I'm going to do
this.
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