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Date: Thu, 26 Jul 2012 05:19:34 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Commented] (HIVE-2101) mapjoin sometimes gives wrong
 results if there is a filter in the on condition
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    [ https://issues.apache.org/jira/browse/HIVE-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422898#comment-13422898 ] 

Namit Jain commented on HIVE-2101:
----------------------------------

I agree, this is an important bug.

Navis, Thanks for the patch - I will take a look today.
                
> 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
>         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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