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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20049) hive.groupby.limit.extrastep should be false by default
Date Mon, 02 Jul 2018 23:39:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16530577#comment-16530577
] 

Ashutosh Chauhan commented on HIVE-20049:
-----------------------------------------

[~abstractdog] What we shall do is remove the config altogether and make code behave as if
it was false.

> hive.groupby.limit.extrastep should be false by default
> -------------------------------------------------------
>
>                 Key: HIVE-20049
>                 URL: https://issues.apache.org/jira/browse/HIVE-20049
>             Project: Hive
>          Issue Type: Task
>          Components: Query Planning
>            Reporter: Ashutosh Chauhan
>            Assignee: Laszlo Bodor
>            Priority: Major
>         Attachments: HIVE-20049.01.patch
>
>
> In fact this flag is not needed since FetchTask can enforce limit there is never a reason
to have another vertex purely for limit.
>  
> It was introduced by HIVE-12963



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