[jira] [Created] (FLINK-19610) Support streaming window TopN in planner

[Shang Yuanchun (Jira)]

Jark Wu created FLINK-19610:
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             Summary: Support streaming window TopN in planner
                 Key: FLINK-19610
                 URL: https://issues.apache.org/jira/browse/FLINK-19610
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Jark Wu
             Fix For: 1.12.0


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





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