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From "George Pachitariu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21100) Allow flattening of table subdirectories resulted when using TEZ engine and UNION clause
Date Fri, 12 Apr 2019 20:40:00 GMT

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

George Pachitariu updated HIVE-21100:
-------------------------------------
    Status: Open  (was: Patch Available)

> 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
>         Attachments: HIVE-21100.patch
>
>
> 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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