[jira] [Created] (FLINK-13491) AsyncWaitOperator doesn't handle endOfInput call properly

[Shang Yuanchun (Jira)]

Piotr Nowojski created FLINK-13491:
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             Summary: AsyncWaitOperator doesn't handle endOfInput call properly
                 Key: FLINK-13491
                 URL: https://issues.apache.org/jira/browse/FLINK-13491
             Project: Flink
          Issue Type: Bug
          Components: API / DataStream
    Affects Versions: 1.9.0
            Reporter: Piotr Nowojski
             Fix For: 1.9.0


This is the same issue as for {{ContinousFileReaderOperator}} in https://issues.apache.org/jira/browse/FLINK-13376. {{AsyncWaitOperator}} will propagate {{endInput}} notification immediately, even if it has some records buffered.

Side note, this also shows that the current {{BoundedOneInput#endInput}} API is easy to mishandle if an operator buffers some records internally. Maybe we could redesign this API somehow [~aljoscha] [~sunhaibotb]?



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