Github user gyfora commented on the pull request:
https://github.com/apache/flink/pull/910#issuecomment-121592253
I am wondering about two things, maybe I didnt catch something as I was
just scrolling through:
-Why the output of the distinct methods are not DataStream<Long>
-Why don't we have a distinct method that does not take a field-position,
so counting the true distinct elements in the stream
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