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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/01/05 05:16:00 UTC

[jira] [Updated] (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 ]

ASF GitHub Bot updated HIVE-21100:
----------------------------------
    Labels: pull-request-available  (was: )

> 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
>              Labels: pull-request-available
>         Attachments: HIVE-21100.1.patch, HIVE-21100.2.patch, HIVE-21100.3.patch, HIVE-21100.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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