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From "Jingwei Lu (JIRA)" <>
Subject [jira] [Created] (HIVE-3672) Support altering partition column type in Hive
Date Mon, 05 Nov 2012 22:50:13 GMT
Jingwei Lu created HIVE-3672:

             Summary: Support altering partition column type in Hive
                 Key: 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

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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