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https://issues.apache.org/jira/browse/HIVE-460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716343#action_12716343
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Namit Jain commented on HIVE-460:
---------------------------------

When I tried to apply the patch, ran into a lot of merge conflicts - can you 
regenerate the patch

> Improve ColumnPruner to prune more aggressively and keep column information 
> for input tables
> --------------------------------------------------------------------------------------------
>
>                 Key: HIVE-460
>                 URL: https://issues.apache.org/jira/browse/HIVE-460
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.4.0
>            Reporter: Zheng Shao
>            Assignee: He Yongqiang
>         Attachments: hive-460-2009-05-29-noaliasallowed.patch, 
> hive-460-2009-06-04-testcli-passed.patch, HIVE-460.1.patch
>
>
> This is required for column-based table format.

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