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Posted to dev@flink.apache.org by "Zhipeng Zhang (Jira)" <ji...@apache.org> on 2023/02/21 01:52:00 UTC

[jira] [Created] (FLINK-31160) Support join/cogroup in BroadcastUtils.withBroadcastStream

Zhipeng Zhang created FLINK-31160:
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             Summary: Support join/cogroup in BroadcastUtils.withBroadcastStream
                 Key: FLINK-31160
                 URL: https://issues.apache.org/jira/browse/FLINK-31160
             Project: Flink
          Issue Type: Improvement
          Components: Library / Machine Learning
    Affects Versions: ml-2.1.0, ml-2.0.0, ml-2.2.0
            Reporter: Zhipeng Zhang
             Fix For: ml-2.2.0


Currently BroadcastUtils#withBroadcastStream does not support cogroup/join, since we restricted that users can only introduce one extra operator in the specified lambda function.

 

To support using join/cogroup in BroadcastUtils#withBroadcastStream, we would like to relax the restriction such that users can introduce more than more extra operator, but only the output operator can access the broadcast variables.



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