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https://issues.apache.org/jira/browse/HIVE-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain updated HIVE-942:
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Fix Version/s: (was: 0.5.0)
> use bucketing for group by
> --------------------------
>
> Key: HIVE-942
> URL: https://issues.apache.org/jira/browse/HIVE-942
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: He Yongqiang
>
> Group by on a bucketed column can be completely performed on the mapper if
> the split can be adjusted to span the key boundary.
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