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https://issues.apache.org/jira/browse/HIVE-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096131#comment-13096131
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Ashutosh Chauhan commented on HIVE-2415:
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@Ning,
I understand that this patch is not introducing any more calls to the metastore
but moves them from execution time to compile time. What I am suggesting is
insteading of moving those checks from DDLTask to parser, move them to
HiveMetaStore. That way they will still be in compile time only but with only
one network call to metastore.
> 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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