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From "Jingwei Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3672) Support altering partition column type in Hive
Date Tue, 06 Nov 2012 22:38:15 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491904#comment-13491904
] 

Jingwei Lu commented on HIVE-3672:
----------------------------------

Review is at:
https://reviews.facebook.net/D6537
                
> 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
>    Affects Versions: 0.10.0
>            Reporter: Jingwei Lu
>            Assignee: Jingwei Lu
>             Fix For: 0.10.0
>
>   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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