[jira] [Created] (FLINK-30467) Improve the accuracy of estimating the row count of LocalHashAgg to make more two-phase HashAgg operators effective

Tue, 20 Dec 2022 17:26:05 -0800 

Yunhong Zheng created FLINK-30467:
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             Summary: Improve the accuracy of estimating the row count of 
LocalHashAgg to make more two-phase HashAgg operators effective 
                 Key: FLINK-30467
                 URL: https://issues.apache.org/jira/browse/FLINK-30467
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
    Affects Versions: 1.17.0
            Reporter: Yunhong Zheng
             Fix For: 1.17.0


Improve the accuracy of estimating the row count of LocalHashAgg to make more 
two-phase HashAgg operators effective.



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