Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/392#issuecomment-74565272
At this point, we also have to worry about efficiency and performance.
This is also something that the user can easily mitigate in the UDF, at a
fraction of the cost in most cases.
I vote postpone the fix until we get some tangible user feedback concerning
this issue.
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