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https://issues.apache.org/jira/browse/HIVE-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585156#comment-13585156
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Ashutosh Chauhan commented on HIVE-4035:
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+1
> Column Pruner for PTF Op
> ------------------------
>
> Key: HIVE-4035
> URL: https://issues.apache.org/jira/browse/HIVE-4035
> Project: Hive
> Issue Type: Bug
> Components: PTF-Windowing
> Reporter: Harish Butani
> Assignee: Prajakta Kalmegh
> Attachments: HIVE-4035.1.patch.txt, HIVE-4035.2.patch.txt
>
>
> for a PTFOp for Windowing; should prune columns based on its children.
> Virtual Columns should only be carried forward if needed.
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