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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8667) CBO: optimize_nullscan - some TableScans for nullscans appeared after CBO
Date Wed, 12 Nov 2014 21:20:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-8667:
-----------------------------------
    Assignee:     (was: Sergey Shelukhin)

> CBO: optimize_nullscan - some TableScans for nullscans appeared after CBO
> -------------------------------------------------------------------------
>
>                 Key: HIVE-8667
>                 URL: https://issues.apache.org/jira/browse/HIVE-8667
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>            Reporter: Sergey Shelukhin
>             Fix For: 0.15.0
>
>
> Looks like some rewriting by CBO prevents nullscans from being optimized.



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