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Posted to dev@hive.apache.org by "Harish Butani (JIRA)" <ji...@apache.org> on 2013/02/22 07:00:19 UTC

[jira] [Commented] (HIVE-4035) Column Pruner for PTF Op

    [ https://issues.apache.org/jira/browse/HIVE-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13583943#comment-13583943 ] 

Harish Butani commented on HIVE-4035:
-------------------------------------

Ashutosh can you please review. We have inadvertently added 'set hive.ptf.partition.persistence.memsize' in the .q file; will remove in the next patch.
                
> 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
>
>
> 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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