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https://issues.apache.org/jira/browse/HIVE-9106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14247719#comment-14247719
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Pengcheng Xiong commented on HIVE-9106:
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[~ashutoshc], I discussed this with [~jpullokkaran] to improve the performance.
As per [~jpullokkaran]'s request, could you please kindly review it? Thanks!
> improve the performance of null scan optimizer when several table scans share
> a physical path
> ---------------------------------------------------------------------------------------------
>
> Key: HIVE-9106
> URL: https://issues.apache.org/jira/browse/HIVE-9106
> Project: Hive
> Issue Type: Improvement
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Priority: Minor
> Attachments: HIVE-9106.00.patch
>
>
> Current fix HIVE-9053 addresses the correctness issue. The solution can be
> improved further when several table scans share a physical path.
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