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https://issues.apache.org/jira/browse/HIVE-1743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain updated HIVE-1743:
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Resolution: Fixed
Fix Version/s: 0.7.0
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed. Thanks Siying
> Group-by to determine equals of Keys in reverse order
> -----------------------------------------------------
>
> 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
> Fix For: 0.7.0
>
> Attachments: HIVE-1743.1.patch
>
>
> 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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