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https://issues.apache.org/jira/browse/HIVE-5025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059003#comment-15059003
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Nick Karpov commented on HIVE-5025:
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Was there any discussion about getting this into an official release?
> Column aliases for input argument of GenericUDFs
> -------------------------------------------------
>
> Key: HIVE-5025
> URL: https://issues.apache.org/jira/browse/HIVE-5025
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: D12093.2.patch, D12093.3.patch, HIVE-5025.4.patch.txt,
> HIVE-5025.D12093.1.patch
>
>
> In some cases, column aliases for input argument are very useful to know. But
> I cannot sure of this in the sense that UDFs should not be dependent to
> contextual information like column alias.
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