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https://issues.apache.org/jira/browse/HIVE-3432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain updated HIVE-3432:
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Status: Open (was: Patch Available)
comments on phabricator
> perform a map-only group by if grouping key matches the sorting properties of
> the table
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-3432
> URL: https://issues.apache.org/jira/browse/HIVE-3432
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.3432.1.patch, hive.3432.2.patch, hive.3432.3.patch,
> hive.3432.4.patch
>
>
> There should be an option to use bucketizedinputformat and use map-only group
> by. There would be no need to perform a map-side aggregation.
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