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