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From "Jingwei Lu (JIRA)" <>
Subject [jira] [Updated] (HIVE-3672) Support altering partition column type in Hive
Date Tue, 06 Nov 2012 22:42:14 GMT


Jingwei Lu updated HIVE-3672:

    Status: Patch Available  (was: Open)
> Support altering partition column type in Hive
> ----------------------------------------------
>                 Key: HIVE-3672
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: CLI, SQL
>    Affects Versions: 0.10.0
>            Reporter: Jingwei Lu
>            Assignee: Jingwei Lu
>             Fix For: 0.10.0
>         Attachments: HIVE-3672.1.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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