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Posted to issues@hive.apache.org by "Deepak Jaiswal (JIRA)" <ji...@apache.org> on 2017/08/09 23:14:00 UTC

[jira] [Comment Edited] (HIVE-17283) Enable parallel edges of semijoin along with mapjoins

    [ https://issues.apache.org/jira/browse/HIVE-17283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120811#comment-16120811 ] 

Deepak Jaiswal edited comment on HIVE-17283 at 8/9/17 11:13 PM:
----------------------------------------------------------------

Patch with config to enable parallel semijoin edges and a test.

[~gopalv] [~jdere] Can you please review?


was (Author: djaiswal):
Patch with config to enable parallel semijoin edges and a test.

> Enable parallel edges of semijoin along with mapjoins
> -----------------------------------------------------
>
>                 Key: HIVE-17283
>                 URL: https://issues.apache.org/jira/browse/HIVE-17283
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>         Attachments: HIVE-17283.1.patch
>
>
> https://issues.apache.org/jira/browse/HIVE-16260 removes parallel edges of semijoin with mapjoin. However, in some cases it maybe beneficial to have it.
> We need a config which can enable it.
> The default should be false which maintains the existing behavior.



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