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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TAJO-216) Improve FilterPushDownRule and Implement physical operators for outer join
Date Tue, 01 Oct 2013 12:51:25 GMT

     [ https://issues.apache.org/jira/browse/TAJO-216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyunsik Choi updated TAJO-216:
------------------------------

    Attachment: TAJO-216.Hyunsik.131001.patch

I've improved the latest patch. In this patch, I've improved unit tests and cleanup some parts
of physical operators.

Also, I vote +1 for Camelia's work.

Camelia's patch contains LeftOuterHashJoin, LeftOuterNLJoin, RightOuterMergeJoin, FullOuterHashJoin,
and FullOuterMergeJoin. According to unit tests included in his patch and my test results,
they work well. 

However, those operators and FilterPushDownRule seem to need more optimization and cleanup.
After it is committed to master branch, I'll continue to improve them if there is no objection.

> Improve FilterPushDownRule and Implement physical operators for outer join
> --------------------------------------------------------------------------
>
>                 Key: TAJO-216
>                 URL: https://issues.apache.org/jira/browse/TAJO-216
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: physical operator
>            Reporter: camelia_c
>            Assignee: camelia c
>              Labels: optimization, physical
>             Fix For: 0.2-incubating
>
>         Attachments: TAJO-216.Hyunsik.130930.patch, TAJO-216.Hyunsik.131001.patch, TAJO-34_physopers.patch
>
>
> FilterPushDownRule extended & Implement Physical operators for outer join



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