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https://issues.apache.org/jira/browse/HIVE-804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749037#action_12749037
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Prasad Chakka commented on HIVE-804:
------------------------------------

I think you can give a location to 'alter table add partition' even if the 
table is not external.

> Support deletion of partitions based on a prefix partition spefication
> ----------------------------------------------------------------------
>
>                 Key: HIVE-804
>                 URL: https://issues.apache.org/jira/browse/HIVE-804
>             Project: Hadoop Hive
>          Issue Type: New Feature
>            Reporter: Zheng Shao
>
> Sometimes users create partitions like (date='...', time='...'). It is useful 
> if user can delete all the partitions of the same day (and different time) 
> with a single command:
> {code}
> ALTER TABLE test DROP PARTITION (date='2009-08-26');
> {code}

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