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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3483) joins using partitioned table give incorrect results on windows
Date Fri, 09 Nov 2012 23:05:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494399#comment-13494399
] 

Hudson commented on HIVE-3483:
------------------------------

Integrated in Hive-trunk-h0.21 #1786 (See [https://builds.apache.org/job/Hive-trunk-h0.21/1786/])
    HIVE-3696 Revert HIVE-3483 which causes performance regression
(Gang Tim Liu via namit) (Revision 1407429)

     Result = FAILURE
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1407429
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java

                
> joins using partitioned table give incorrect results on windows 
> ----------------------------------------------------------------
>
>                 Key: HIVE-3483
>                 URL: https://issues.apache.org/jira/browse/HIVE-3483
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 0.10.0
>
>         Attachments: HIVE-3483.1.patch, HIVE-3483.2.patch
>
>
> Hive CombineFilter.getSplits returns single split instead of multiple splits on windows.
The comparison in CombineFilter.accept() was using paths converted to strings instead of using
Paths themselves, and one of the strings had "/C:" and other had "C:" .
> The tests that are affected by this issue include - auto_join18.q,auto_join18_multi_distinct.q,
> join18.q,join18_multi_distinct.q,ppd_union_view.q,create_view.q and union20.q

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