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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-596) parition pruning not working will nulls
Date Tue, 30 Jun 2009 19:30:47 GMT

    [ https://issues.apache.org/jira/browse/HIVE-596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12725762#action_12725762
] 

Namit Jain commented on HIVE-596:
---------------------------------

is null, null etc. were moved to generic udfs recently.
PartitionPruner had special handling for udfs, but not for generic udfs - Due to that, it
was missing some parititions for queries like:

select * from T where <part_col> = 'val1' and col2 is not null;

> parition pruning not working will nulls
> ---------------------------------------
>
>                 Key: HIVE-596
>                 URL: https://issues.apache.org/jira/browse/HIVE-596
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.4.0
>
>         Attachments: hive.596.1.patch, hive.596.2.patch
>
>


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