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Posted to issues@hive.apache.org by "Deepak Jaiswal (JIRA)" <ji...@apache.org> on 2018/08/01 18:00:00 UTC

[jira] [Resolved] (HIVE-20142) Semijoin Reduction : Peform cost based removal after rule based removal.

     [ https://issues.apache.org/jira/browse/HIVE-20142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Deepak Jaiswal resolved HIVE-20142.
-----------------------------------
    Resolution: Fixed

Taken care of in HIVE-20252

> Semijoin Reduction : Peform cost based removal after rule based removal.
> ------------------------------------------------------------------------
>
>                 Key: HIVE-20142
>                 URL: https://issues.apache.org/jira/browse/HIVE-20142
>             Project: Hive
>          Issue Type: Task
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>            Priority: Major
>
> The semijoin reduction removal logic is spread out into multiple functions. Currently, the cost based removal logic is applied before the rule based(dumb) ones. 
> Instead, apply the rule based removal logic and then apply the cost based removal.
>  
> cc [~jdere] [~jcamachorodriguez] [~gopalv]



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