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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2101) mapjoin sometimes gives wrong results if there is a filter in the on condition
Date Wed, 09 Jan 2013 10:26:37 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13547979#comment-13547979
] 

Hudson commented on HIVE-2101:
------------------------------

Integrated in Hive-trunk-hadoop2 #54 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/54/])
    HIVE-2101 mapjoin sometimes gives wrong results if there is a filter in the on condition
(Navis via namit) (Revision 1366303)

     Result = ABORTED
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1366303
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapJoinOperator.java
* /hive/trunk/ql/src/test/queries/clientpositive/mapjoin_filter_on_outerjoin.q
* /hive/trunk/ql/src/test/results/clientpositive/auto_join29.q.out
* /hive/trunk/ql/src/test/results/clientpositive/mapjoin_filter_on_outerjoin.q.out

                
> mapjoin sometimes gives wrong results if there is a filter in the on condition
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-2101
>                 URL: https://issues.apache.org/jira/browse/HIVE-2101
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.10.0
>            Reporter: He Yongqiang
>            Assignee: Navis
>             Fix For: 0.10.0
>
>         Attachments: HIVE-2101.1.patch.txt
>
>
> "SELECT / * + mapjoin(src1, src2) * / * FROM src src1 RIGHT OUTER JOIN src src2 ON (src1.key
= src2.key AND src1.key < 10 AND src2.key > 10) JOIN src src3 ON (src2.key = src3.key
AND src3.key < 10) SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value;"
will give wrong results in today's hive

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