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Date: Wed, 5 Nov 2014 20:00:34 +0000 (UTC)
From: "Ashutosh Chauhan (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Commented] (HIVE-8724) Right outer join produces incorrect
 result on Tez
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    [ https://issues.apache.org/jira/browse/HIVE-8724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14198968#comment-14198968 ] 

Ashutosh Chauhan commented on HIVE-8724:
----------------------------------------

+1 
vector_decimal_3 failure needs to be taken care of. But, seems like it has exposed some other bug in decimal equal() handling.

> Right outer join produces incorrect result on Tez
> -------------------------------------------------
>
>                 Key: HIVE-8724
>                 URL: https://issues.apache.org/jira/browse/HIVE-8724
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>            Priority: Critical
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8724.1.patch, HIVE-8724.2.patch
>
>
> Still working on repro. But when testing h14 in the cluster I've seen some errors with right outer joins. Rewriting as left outer joins works fine. It seems that when initializing the groups in CommonMergeJoinOperator the state machine gets confused about what position in the stream we're at.


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