Github user ramkrish86 commented on a diff in the pull request: https://github.com/apache/flink/pull/1856#discussion_r64000091 --- Diff: flink-java/src/main/java/org/apache/flink/api/java/functions/SelectByMinFunction.java --- @@ -72,8 +73,8 @@ public T reduce(T value1, T value2) throws Exception { for (int position : fields) { // Save position of compared key // Get both values - both implement comparable - Comparable comparable1 = value1.getFieldNotNull(position); - Comparable comparable2 = value2.getFieldNotNull(position); + Comparable comparable1 = ((Tuple)value1).getFieldNotNull(position); --- End diff -- @tillrohrmann - I have done the needful updates and now I can see maxBy and minBy works with scala tuples. It took some time as was busy with other things but some how could find time to complete this. In the process learnt some scala too. Let me know what you think of this last commit.
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