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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-7813) Hive join key not null shouldn't be generated for partition column
Date Sat, 06 Sep 2014 20:11:28 GMT

     [ https://issues.apache.org/jira/browse/HIVE-7813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated HIVE-7813:
-----------------------------------
    Affects Version/s: 0.14.0

> Hive join key not null shouldn't be generated for partition column
> ------------------------------------------------------------------
>
>                 Key: HIVE-7813
>                 URL: https://issues.apache.org/jira/browse/HIVE-7813
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.14.0
>            Reporter: Laljo John Pullokkaran
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.14.0
>
>
> Hive generates not null predicate on join key to avoid scanning in nulls.
> However for partition columns this is not needed as partition column will always be non
null. Without this, PPR may evaluate not null predicate.



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