[jira] [Assigned] (FLINK-22128) Window aggregation should have unique keys

[Kurt Young (Jira)]

     [ 
https://issues.apache.org/jira/browse/FLINK-22128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kurt Young reassigned FLINK-22128:
----------------------------------

    Assignee: godfrey he  (was: Jark Wu)

> Window aggregation should have unique keys
> ------------------------------------------
>
>                 Key: FLINK-22128
>                 URL: https://issues.apache.org/jira/browse/FLINK-22128
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>            Reporter: Jingsong Lee
>            Assignee: godfrey he
>            Priority: Major
>
> We should add match method in {{FlinkRelMdUniqueKeys for 
> StreamPhysicalWindowAggregate}}



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