Jingwei Lu created HIVE-3672:
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Summary: 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
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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