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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9106) improve the performance of null scan optimizer when several table scans share a physical path
Date Tue, 16 Dec 2014 04:17:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14247719#comment-14247719
] 

Pengcheng Xiong commented on HIVE-9106:
---------------------------------------

[~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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