Github user ymarzougui closed the pull request at:
https://github.com/apache/flink/pull/2835
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GitHub user ymarzougui opened a pull request:
https://github.com/apache/flink/pull/2835
[FLINK-3869] WindowedStream.apply with FoldFunction is too restrictive
This pull request removes the restriction that a WindowFunction in a
fold/apply should emit the same type as the
