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Posted to issues@hive.apache.org by "George Pachitariu (JIRA)" <ji...@apache.org> on 2019/01/08 12:13:00 UTC

[jira] [Assigned] (HIVE-21100) Allow flattening of table subdirectories resulted when using TEZ engine and UNION clause

     [ https://issues.apache.org/jira/browse/HIVE-21100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

George Pachitariu reassigned HIVE-21100:
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> Allow flattening of table subdirectories resulted when using TEZ engine and UNION clause
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-21100
>                 URL: https://issues.apache.org/jira/browse/HIVE-21100
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: George Pachitariu
>            Assignee: George Pachitariu
>            Priority: Minor
>
> Right now, when writing data into a table with Tez engine and the clause UNION ALL is the last step of the query, Hive on Tez will create a subdirectory for each branch of the UNION ALL.
> With this patch the subdirectories are removed, and the files are renamed and moved to the parent directory.



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