Github user gyfora commented on the pull request:
https://github.com/apache/incubator-flink/pull/275#issuecomment-67830412
You are right I also use the comparators for pojo types. I didnt use
comparators for everythibg else because it was trivial to extract keys from
tuples and arrays. But i guess its better to have the Keys approach I will
implement it.
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