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https://issues.apache.org/jira/browse/HIVE-2477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navis updated HIVE-2477:
------------------------
Attachment: HIVE-2477.1.patch.txt
Simple patch.
If a column is function with single param and the param is a column, use the
column name as alias.
> Use name of original expression for name of CAST output
> -------------------------------------------------------
>
> Key: HIVE-2477
> URL: https://issues.apache.org/jira/browse/HIVE-2477
> Project: Hive
> Issue Type: Improvement
> Reporter: Adam Kramer
> Priority: Minor
> Attachments: HIVE-2477.1.patch.txt
>
>
> CAST(foo AS INT)
> should, by default, consider itself a column named foo if
> unspecified/unaliased.
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