Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2301
I would suggest to close this PR and start with a proper design discussion.
The approach taken here has a bunch of decisions/implications that I am not
sure about, like
- Mixing UDFs with "onWatermark" functionality with timers
- Mixing windowed and not windowed code
In a clean design, this feature should not touch any window operator code.
Sorry for that, but that is why we encourage people to share designs before
going full on implementing - at least for more complex additions like this one.
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