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https://issues.apache.org/jira/browse/HIVE-9210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navis updated HIVE-9210:
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Attachment: HIVE-9210.2.patch.txt
Rebased to trunk
> Support split sampling for parallel order by
> --------------------------------------------
>
> Key: HIVE-9210
> URL: https://issues.apache.org/jira/browse/HIVE-9210
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Attachments: HIVE-9210.1.patch.txt, HIVE-9210.2.patch.txt
>
>
> Random sampling cannot sure it covers whole range of input data. See HIVE-7661
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