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https://issues.apache.org/jira/browse/HIVE-21365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16840754#comment-16840754
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Jesus Camacho Rodriguez commented on HIVE-21365:
------------------------------------------------

[~vgarg], could you review this PR?
https://github.com/apache/hive/pull/630

Thanks

> Refactor Hep planner steps in CBO
> ---------------------------------
>
>                 Key: HIVE-21365
>                 URL: https://issues.apache.org/jira/browse/HIVE-21365
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21365.01.patch, HIVE-21365.01.patch, 
> HIVE-21365.02.patch, HIVE-21365.03.patch, HIVE-21365.03.patch, 
> HIVE-21365.04.patch, HIVE-21365.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Using subprograms to decrease number of planner instantiations and benefit 
> fully from metadata providers caching, among other benefits.



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