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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2415) disallow partition column names when doing replace columns
Date Wed, 31 Aug 2011 01:29:09 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13094238#comment-13094238
] 

Ashutosh Chauhan commented on HIVE-2415:
----------------------------------------

CPU cycles spent in doing validation is lot less then setting up a connection and tearing
it down, not to mention extra roundtrips and bytes over the network. I don't see how it is
not worse. 

> disallow partition column names when doing replace columns
> ----------------------------------------------------------
>
>                 Key: HIVE-2415
>                 URL: https://issues.apache.org/jira/browse/HIVE-2415
>             Project: Hive
>          Issue Type: Bug
>            Reporter: He Yongqiang
>            Assignee: He Yongqiang
>         Attachments: HIVE-2415.1.patch
>
>
> alter table replace columns allows to add a column with the same name as partition column,
which introduced inconsistency. 
> We should disallow this. 

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