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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (TAJO-34) Outer Join
Date Tue, 24 Sep 2013 15:40:02 GMT

     [ https://issues.apache.org/jira/browse/TAJO-34?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Hyunsik Choi reassigned TAJO-34:

    Assignee: camelia c
> Outer Join
> ----------
>                 Key: TAJO-34
>                 URL: https://issues.apache.org/jira/browse/TAJO-34
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: Hyunsik Choi
>            Assignee: camelia c
>              Labels: gsoc, gsoc2013, join, mentor
> h3. Background
> The current Tajo does not support outer join. The parser part for outer join was already
> h3. Proposal
> In this issue, we should improve LogicalPlanner/LogicalOptimizer to deal with outer joins.
Then, we should adopt outer join to existing physical join operators like HashJoinExec and

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