[jira] [Created] (FLINK-19608) Support window TVF based window aggreagte in planner

[Shang Yuanchun (Jira)]

Jark Wu created FLINK-19608:
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             Summary: Support window TVF based window aggreagte in planner
                 Key: FLINK-19608
                 URL: https://issues.apache.org/jira/browse/FLINK-19608
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Jark Wu


Support window TVF based window aggreagte in planner.  We will introduce new physical nodes for {{StreamExecWindowPropertyAggregate}} and {{StreamExecWindowAssigner}}, and optimize them into {{StreamExecGroupWindowAggregate}} if possible.




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