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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HIVE-3672) Support altering partition column type in Hive
Date Thu, 21 Feb 2013 17:22:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13583312#comment-13583312
] 

Namit Jain edited comment on HIVE-3672 at 2/21/13 5:21 PM:
-----------------------------------------------------------

Which branch are you using to refresh ?
Are you using internal FB branch.
Everytime, I get a merge conflict while applying the patch
                
      was (Author: namit):
    Which branch are you using to refresh ?
Are you using internal FB branch.
Everyone, I get a merge conflict while applying the patch
                  
> 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,
HIVE-3672.7.patch.txt, HIVE-3672.8.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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