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https://issues.apache.org/jira/browse/HIVE-670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zheng Shao updated HIVE-670:
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Attachment: HIVE-670.1.patch
This patch adds outputColumnNames to select, group by, and join operators.
> Explain should show output column names
> ---------------------------------------
>
> Key: HIVE-670
> URL: https://issues.apache.org/jira/browse/HIVE-670
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Zheng Shao
> Attachments: HIVE-670.1.patch
>
>
> Explain currently only shows the expressions (in which it references the
> output column names of the last operator).
> However, it does not show the output column names of the last operator, which
> makes it hard to debug.
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