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https://issues.apache.org/jira/browse/HIVE-10882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14625116#comment-14625116
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Ashutosh Chauhan commented on HIVE-10882:
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+1
> CBO: Calcite Operator To Hive Operator (Calcite Return Path) empty filtersMap
> of join operator causes wrong results
> -------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-10882
> URL: https://issues.apache.org/jira/browse/HIVE-10882
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Pengcheng Xiong
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-10882.01.patch, HIVE-10882.02.patch,
> HIVE-10882.03.patch, HIVE-10882.03.patch
>
>
> CBO return path creates join operator with empty filtersMap. This causes
> outer joins to produce wrong results. To reproduce, run louter_join_ppr.q
> with return path turned on.
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