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https://issues.apache.org/jira/browse/HIVE-8025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14126402#comment-14126402
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Harish Butani commented on HIVE-8025:
-------------------------------------
+1
> [CBO] Handle null-safe joins
> ----------------------------
>
> Key: HIVE-8025
> URL: https://issues.apache.org/jira/browse/HIVE-8025
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-8025.cbo.patch
>
>
> We will not optimize query containing NS join expression because our join
> reordering algo cant optimize such joins.
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