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https://issues.apache.org/jira/browse/HIVE-20559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16616959#comment-16616959
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Ashutosh Chauhan commented on HIVE-20559:
-----------------------------------------
Note that rule does cost based decision. So, these plan changes need to be
validated to see if cost based decision done by planner is correct and new
plans are better.
> Turn on hive.transpose.aggr.join by default
> -------------------------------------------
>
> Key: HIVE-20559
> URL: https://issues.apache.org/jira/browse/HIVE-20559
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-20559.01.patch, HIVE-20559.02.patch,
> HIVE-20559.03.patch
>
>
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