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https://issues.apache.org/jira/browse/HIVE-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731284#action_12731284
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He Yongqiang commented on HIVE-571:
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so the syntax should be:
alter table change [column] old_col_name new_col_name
@Namit, why we can not change the datatype?
> add ability to rename a column.
> -------------------------------
>
> Key: HIVE-571
> URL: https://issues.apache.org/jira/browse/HIVE-571
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: Metastore
> Affects Versions: 0.4.0
> Reporter: Prasad Chakka
> Fix For: 0.4.0
>
>
> currently only way to rename a column is to use 'REPLACE COLUMNS' which can
> be cumbersome if the table has lots of columns.
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