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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-576) Add cost model for distribution and enable new plans
Date Tue, 06 May 2014 18:31:18 GMT

    [ https://issues.apache.org/jira/browse/DRILL-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990956#comment-13990956

Aman Sinha commented on DRILL-576:

Rebased on master branch and integrated costing changes with the group scan's row count changes
on master branch.   Please apply new patch after applying the original patch. 

> Add cost model for distribution and enable new plans
> ----------------------------------------------------
>                 Key: DRILL-576
>                 URL: https://issues.apache.org/jira/browse/DRILL-576
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Aman Sinha
>            Assignee: Aman Sinha
>         Attachments: 0001-Fix-DRILL-576-Cumulative-changes-for-Drill-costing-n.patch,
> Add cost model for Drill to include distribution costs and enable new plans: 
>  - enable hash join and hash aggregate plans through the cost based comparison with existing
merge join and streaming aggregate plans. 
>  - allow creating join and aggregation plans with alternative distributions. 

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