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Posted to dev@hive.apache.org by "Prasanth J (JIRA)" <ji...@apache.org> on 2014/08/11 20:36:11 UTC

[jira] [Created] (HIVE-7679) JOIN operator should update the column stats when number of rows changes

Prasanth J created HIVE-7679:
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             Summary: JOIN operator should update the column stats when number of rows changes
                 Key: HIVE-7679
                 URL: https://issues.apache.org/jira/browse/HIVE-7679
             Project: Hive
          Issue Type: Sub-task
    Affects Versions: 0.14.0
            Reporter: Prasanth J
            Assignee: Prasanth J
            Priority: Minor


JOIN operator does not update the column stats when the number of rows changes. All other operators scales up/down the column statistics when the number of rows changes. Same should be done for JOIN operator as well. 



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