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From "Jinho Kim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-197) Implement Enforcer that forces physical planner to choose specified algorithms
Date Tue, 24 Sep 2013 05:18:02 GMT

    [ https://issues.apache.org/jira/browse/TAJO-197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13775996#comment-13775996
] 

Jinho Kim commented on TAJO-197:
--------------------------------

+1 
Looks great for me.  I've verified 'mvn clean install'.
                
> Implement Enforcer that forces physical planner to choose specified algorithms
> ------------------------------------------------------------------------------
>
>                 Key: TAJO-197
>                 URL: https://issues.apache.org/jira/browse/TAJO-197
>             Project: Tajo
>          Issue Type: Improvement
>          Components: physical operator, planner/optimizer
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>              Labels: enforcer
>             Fix For: 0.2-incubating
>
>         Attachments: TAJO-197.patch
>
>
> Tajo worker generates a physical plan from a logical plan received from QueryMaster.
However, some plans need to force a physical planner to choose specified algorithms. 
> Traditionally, Enforcer plays a role to provide physical properties of a query plan and
enforce physical algorithms. We also need this feature.

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