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Posted to dev@flink.apache.org by "chenyuzhi (Jira)" <ji...@apache.org> on 2021/12/15 09:53:00 UTC

[jira] [Created] (FLINK-25323) Support side output late data for interval join

chenyuzhi created FLINK-25323:
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             Summary: Support side output late data for interval join
                 Key: FLINK-25323
                 URL: https://issues.apache.org/jira/browse/FLINK-25323
             Project: Flink
          Issue Type: Improvement
            Reporter: chenyuzhi


Now, Flink just discard late data when using interval-join:

[https://github.com/apache/flink/blob/83a2541475228a4ff9e9a9def4049fb742353549/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/co/IntervalJoinOperator.java#L231] 

 

Maybe we could use two outputTags to side output late data for left/right stream.



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