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https://issues.apache.org/jira/browse/HIVE-460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12704723#action_12704723
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Namit Jain commented on HIVE-460:
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It looks good - let me take a look and get back.
However, the two issues (better column pruning and meaningful internal names)
are independent and should be pursued separately.
> 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
> Reporter: Zheng Shao
> Attachments: HIVE-460.1.patch
>
>
> This is required for column-based table format.
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