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From "pengcheng xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-7944) current update stats for columns of a partition of a table is not correct
Date Wed, 03 Sep 2014 01:06:52 GMT

     [ https://issues.apache.org/jira/browse/HIVE-7944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

pengcheng xiong updated HIVE-7944:
----------------------------------
    Status: Patch Available  (was: Open)

because we do (insert or overwrite)
so we can first delete all then insert all.

> current update stats for columns of a partition of a table is not correct
> -------------------------------------------------------------------------
>
>                 Key: HIVE-7944
>                 URL: https://issues.apache.org/jira/browse/HIVE-7944
>             Project: Hive
>          Issue Type: Bug
>            Reporter: pengcheng xiong
>            Assignee: pengcheng xiong
>         Attachments: HIVE-7944.1.patch
>
>
> We worked hard towards faster update stats for columns of a partition of a table previously

> https://issues.apache.org/jira/browse/HIVE-7736
> and
> https://issues.apache.org/jira/browse/HIVE-7876
> Although there is some improvement, it is only correct in the first run. There will be
duplicate column stats later. Thanks to [~ekoifman] 's comments



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