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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4812) Explain plan for physical operators
Date Wed, 03 Jul 2013 06:58:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13698692#comment-13698692
] 

Gunther Hagleitner commented on HIVE-4812:
------------------------------------------

Absolutely, review is here: https://reviews.facebook.net/D11589
                
> Explain plan for physical operators
> -----------------------------------
>
>                 Key: HIVE-4812
>                 URL: https://issues.apache.org/jira/browse/HIVE-4812
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-4812.1.patch
>
>
> In various situations it would have been useful to me to glance at the operator plan
before we break it into tasks and apply join, total order sort, etc optimizations.
> I've added this as an options to explain. "Explain physical <QUERY>" will output
the full operator tree (not the stage plans, tasks, AST etc).
> Again, I don't think this has to even be documented for users, but might be useful to
developers. 

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