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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-20821) Rewrite SUM0 into SUM + COALESCE combination
Date Fri, 26 Oct 2018 21:27:00 GMT
Jesus Camacho Rodriguez created HIVE-20821:
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             Summary: Rewrite SUM0 into SUM + COALESCE combination
                 Key: HIVE-20821
                 URL: https://issues.apache.org/jira/browse/HIVE-20821
             Project: Hive
          Issue Type: Improvement
          Components: CBO
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


Since SUM0 is not vectorized, but SUM + COALESCE are.



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