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Posted to dev@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2013/09/16 13:39:51 UTC
[jira] [Resolved] (TAJO-125) Improve LogicalPlanner and
LogicalOptimizer to support table subqueries
[ 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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