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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3536) Output of sort merge join is no longer bucketed
Date Wed, 09 Jan 2013 10:28:06 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13548060#comment-13548060
] 

Hudson commented on HIVE-3536:
------------------------------

Integrated in Hive-trunk-hadoop2 #54 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/54/])
    HIVE-3536 Output of sort merge join is no longer bucketed
(Kevin Wilfong) 

For some reason, I missed merging the test in my previous merge (Revision 1395742)
HIVE-3536 Output of sort merge join is no longer bucketed
(Kevin Wilfong via namit) (Revision 1394928)

     Result = ABORTED
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1395742
Files : 
* /hive/trunk/ql/src/test/queries/clientpositive/smb_mapjoin_11.q
* /hive/trunk/ql/src/test/results/clientpositive/smb_mapjoin_11.q.out

namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1394928
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
* /hive/trunk/ql/src/test/queries/clientpositive/smb_mapjoin_11.q
* /hive/trunk/ql/src/test/results/clientpositive/smb_mapjoin_11.q.out

                
> 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
>             Fix For: 0.10.0
>
>         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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