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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4812) Logical explain plan
Date Mon, 08 Jul 2013 03:47:48 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13701751#comment-13701751
] 

Navis commented on HIVE-4812:
-----------------------------

LGTM except some lint warnings. Could I fix that and run test?
                
> Logical explain plan
> --------------------
>
>                 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, HIVE-4812.2.patch, HIVE-4812.3.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 logical <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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