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From "Kevin Wilfong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3536) Output of sort merge join is no longer bucketed
Date Fri, 05 Oct 2012 17:40:03 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13470495#comment-13470495
] 

Kevin Wilfong commented on HIVE-3536:
-------------------------------------

Fixed a bug causing non-prefixed files to be generated prefixed with null.
                
> Output of sort merge join is no longer bucketed
> -----------------------------------------------
>
>                 Key: HIVE-3536
>                 URL: https://issues.apache.org/jira/browse/HIVE-3536
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.10.0
>            Reporter: Kevin Wilfong
>            Assignee: Kevin Wilfong
>         Attachments: HIVE-3536.1.patch.txt, HIVE-3536.2.patch.txt, HIVE-3536.3.patch.txt,
HIVE-3536.D5907.2.patch, HIVE-3536.D5907.3.patch
>
>
> I don't know if this was a feature or a happy coincidence, but before HIVE-3230, the
output of a sort merge join on two partitions would be bucketed, even if hive.enforce.bucketing
was set to false.  This could potentially save a reduce phase when inserting into a bucketed
table.
> This would be good to have back.

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