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Posted to dev@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2014/07/30 03:07:39 UTC

[jira] [Updated] (HIVE-7546) Pull partition and column stats regardless of hive conf settings

     [ https://issues.apache.org/jira/browse/HIVE-7546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunther Hagleitner updated HIVE-7546:
-------------------------------------

    Attachment: HIVE-7546.1.patch

> Pull partition and column stats regardless of hive conf settings
> ----------------------------------------------------------------
>
>                 Key: HIVE-7546
>                 URL: https://issues.apache.org/jira/browse/HIVE-7546
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-7546.1.patch
>
>
> Because of performance reasons we have flags to avoid loading certain stats when requested. That's fine for the join selection algo, but CBO needs these stats.
> This patch separates the two so that CBO can fetch the stats it needs and the regular stats annotation can be controlled via flags.



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