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https://issues.apache.org/jira/browse/TAJO-24?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619611#comment-13619611
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Burak ISIKLI commented on TAJO-24:
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Hi,
I think if you could split this task to subtasks, it can be done faster in
parallel. If so, can you assign me please?
Thanks
Best Regards...
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*BURAK ISIKLI** *| *http://burakisikli.wordpress.com*
*
*
> Cost-based Optimizer for Tajo
> -----------------------------
>
> Key: TAJO-24
> URL: https://issues.apache.org/jira/browse/TAJO-24
> Project: Tajo
> Issue Type: New Feature
> Components: optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: Cost-based_Optimizer_130401.pdf
>
>
> The current query optimizer is too simple and is not extensible. In addition,
> it does not support scalar and table subqueries.
> So, I would like to propose the implementation of new optimizer which is
> extensible and is based on some cost model.
> In my opinion, this work is not trivial and will take a very long time. Also,
> we will have many discussions on this issue. This is the first draft, and I
> would like to continue to improve the requirements and details.
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