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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2019/05/22 18:22:00 UTC

[jira] [Created] (HIVE-21780) SetHashGroupByMinReduction should check parent operator number of rows to compute reduction

Jesus Camacho Rodriguez created HIVE-21780:
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             Summary: SetHashGroupByMinReduction should check parent operator number of rows to compute reduction
                 Key: HIVE-21780
                 URL: https://issues.apache.org/jira/browse/HIVE-21780
             Project: Hive
          Issue Type: Bug
          Components: Physical Optimizer
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


Currently it incorrectly checks the number of rows in the Group By operator itself.



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