[jira] [Created] (FLINK-6544) Expose Backend State Interface for UDAGG

[Shang Yuanchun (Jira)]

Kaibo Zhou created FLINK-6544:
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             Summary: Expose Backend State Interface for UDAGG
                 Key: FLINK-6544
                 URL: https://issues.apache.org/jira/browse/FLINK-6544
             Project: Flink
          Issue Type: Improvement
          Components: Table API & SQL
            Reporter: Kaibo Zhou


Currently UDAGG users can not access state, it's necessary to provide users with a convenient and efficient way to access the state within the UDAGG.

This is the design doc: https://docs.google.com/document/d/1g-wHOuFj5pMaYMJg90kVIO2IHbiQiO26nWscLIOn50c/edit#



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