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From "Siying Dong (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-1743) Group-by to determine equals of Keys in reverse order
Date Fri, 22 Oct 2010 21:40:19 GMT
Group-by to determine equals of Keys in reverse order
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                 Key: HIVE-1743
                 URL: https://issues.apache.org/jira/browse/HIVE-1743
             Project: Hive
          Issue Type: Improvement
            Reporter: Siying Dong
            Assignee: Siying Dong
            Priority: Minor


When processing group-by, in reduce side, keys are ordered. Comparing equality of two keys
can be more efficient in reverse order.

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