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Date: Tue, 19 Feb 2013 04:07:13 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HIVE-3672) Support altering partition column
 type in Hive
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    [ https://issues.apache.org/jira/browse/HIVE-3672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581009#comment-13581009 ] 

Namit Jain commented on HIVE-3672:
----------------------------------

Will run tests
                
> Support altering partition column type in Hive
> ----------------------------------------------
>
>                 Key: HIVE-3672
>                 URL: https://issues.apache.org/jira/browse/HIVE-3672
>             Project: Hive
>          Issue Type: Improvement
>          Components: CLI, SQL
>            Reporter: Jingwei Lu
>            Assignee: Jingwei Lu
>              Labels: features
>         Attachments: HIVE-3672.1.patch.txt, HIVE-3672.2.patch.txt, HIVE-3672.3.patch.txt, HIVE-3672.4.patch.txt, HIVE-3672.5.patch.txt, HIVE-3672.6.patch.txt, HIVE-3672.6.patch.txt
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> Currently, Hive does not allow altering partition column types.  As we've discouraged users from using non-string partition column types, this presents a problem for users who want to change there partition columns to be strings, they have to rename their table, create a new table, and copy all the data over.
> To support this via the CLI, adding a command like ALTER TABLE <table_name> PARTITION COLUMN (<column_name> <new type>);

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