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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9210) Support split sampling for parallel order by
Date Tue, 06 Jan 2015 07:08:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Navis updated HIVE-9210:
------------------------
    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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