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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2013/02/25 09:52:13 UTC

[jira] [Updated] (HIVE-2780) Implement more restrictive table sampler

     [ https://issues.apache.org/jira/browse/HIVE-2780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Navis updated HIVE-2780:
------------------------

    Status: Patch Available  (was: Open)
    
> Implement more restrictive table sampler
> ----------------------------------------
>
>                 Key: HIVE-2780
>                 URL: https://issues.apache.org/jira/browse/HIVE-2780
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>         Attachments: ASF.LICENSE.NOT.GRANTED--HIVE-2780.D1623.1.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2780.D1623.2.patch, HIVE-2780.D1623.3.patch, HIVE-2780.D1623.4.patch
>
>
> Current table sampling scans whole block, making more rows included than expected especially for small tables.

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