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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TAJO-125) Improve LogicalPlanner and LogicalOptimizer to support table subqueries
Date Mon, 16 Sep 2013 11:39:51 GMT

     [ https://issues.apache.org/jira/browse/TAJO-125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyunsik Choi resolved TAJO-125.
-------------------------------

    Resolution: Fixed

It is resolved by TAJO-184.
                
> Improve LogicalPlanner and LogicalOptimizer to support table subqueries
> -----------------------------------------------------------------------
>
>                 Key: TAJO-125
>                 URL: https://issues.apache.org/jira/browse/TAJO-125
>             Project: Tajo
>          Issue Type: Improvement
>          Components: planner/optimizer
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>             Fix For: 0.2-incubating
>
>
> The current logical planner and logical optimizer cannot support table subqueries as
follows:
> {code}
> SELECT col1, col2, col3 from tb1 join (select col3, col4 from tb2) on col1 = col2;
> {code}
> We need to improve LogicalPlanner and LogicalOptimizer to support table subqueries.

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