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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2020/08/27 07:13:00 UTC

[jira] [Created] (FLINK-19059) Support to consume retractions for OVER WINDOW operator

Jark Wu created FLINK-19059:
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             Summary: Support to consume retractions for OVER WINDOW operator
                 Key: FLINK-19059
                 URL: https://issues.apache.org/jira/browse/FLINK-19059
             Project: Flink
          Issue Type: New Feature
          Components: Table SQL / Planner
            Reporter: Jark Wu


Currently, OVER WINDOW in streaming SQL only support to consume insert-only stream and doesn't support to consume retractions (i.e. contains UPDATE/DELETE messages). This results in OVER WINDOW can't be used to follow after unbounded group by or streaming join. 



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