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https://issues.apache.org/jira/browse/HIVE-10533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14561479#comment-14561479
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Jesus Camacho Rodriguez commented on HIVE-10533:
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[~ashutoshc], I just created the RB entry. Current patch only merges left-deep
join trees; we are going to discuss with [~vikram.dixit] and [~jpullokkaran] to
see if/how we extend it for other cases.
> CBO (Calcite Return Path): Join to MultiJoin support for outer joins
> --------------------------------------------------------------------
>
> Key: HIVE-10533
> URL: https://issues.apache.org/jira/browse/HIVE-10533
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-10533.01.patch, HIVE-10533.patch
>
>
> CBO return path: auto_join7.q can be used to reproduce the problem.
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