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From "Laljo John Pullokkaran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12503) GBY-Join transpose rule may go in infinite loop
Date Tue, 24 Nov 2015 03:35:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15023713#comment-15023713
] 

Laljo John Pullokkaran commented on HIVE-12503:
-----------------------------------------------

[~ashutoshc] The new Join node needs to be registered as opposed to the old one.


> GBY-Join transpose rule may go in infinite loop
> -----------------------------------------------
>
>                 Key: HIVE-12503
>                 URL: https://issues.apache.org/jira/browse/HIVE-12503
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO, Logical Optimizer
>    Affects Versions: 2.0.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-12503.patch
>
>
> This happens when pushing aggregate is not found to be any cheaper. Can be reproduced
by running cbo_rp_auto_join1.q with flag turned on.



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