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https://issues.apache.org/jira/browse/HIVE-460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714813#action_12714813
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Prasad Chakka commented on HIVE-460:
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Can't names be quoted like 'a+b' instead of converting it to a_b? I think MySQL
does something like that (back ticks) and that would eliminate users needing to
guess the translation made by hive.
> 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-460.1.patch
>
>
> This is required for column-based table format.
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