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https://issues.apache.org/jira/browse/HIVE-20767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655762#comment-16655762
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Jesus Camacho Rodriguez edited comment on HIVE-20767 at 10/19/18 12:19 AM:
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[~ashutoshc], [~vgarg], could you take a look? This basically adds Project
merge rule to the block with Project-Join transpose. As Project was getting in
the middle, reordering of full join tree was not happening. Verified that this
fixes reordering issue. Thanks
https://reviews.apache.org/r/69078/
was (Author: jcamachorodriguez):
[~ashutoshc], [~vgarg], could you take a look? This basically adds Project
merge rule to the block with Project-Join transpose. As Project was getting in
the middle, reordering of full join tree was not happening. Verified that this
fixes reordering issue. Thanks
> Multiple project between join operators may affect join reordering using
> constraints
> ------------------------------------------------------------------------------------
>
> Key: HIVE-20767
> URL: https://issues.apache.org/jira/browse/HIVE-20767
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-20767.01.patch, HIVE-20767.patch
>
>
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