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From "Prasad Chakka (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-571) add ability to rename a column.
Date Tue, 14 Jul 2009 16:17:14 GMT

    [ https://issues.apache.org/jira/browse/HIVE-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730938#action_12730938
] 

Prasad Chakka commented on HIVE-571:
------------------------------------

we should follow MySQL syntax as rest of HiveQL tries to follow MySQL. the above syntax is
different from that of MySQL's.

http://dev.mysql.com/doc/refman/5.0/en/alter-table.html

> 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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