hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11152) Swapping join inputs in ASTConverter
Date Wed, 22 Jul 2015 00:01:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14636039#comment-14636039
] 

Jason Dere commented on HIVE-11152:
-----------------------------------

FYI, this was listed as being fixed on 1.2.2, but I do not see any such commit on either branch-1
or branch-1.2.


> Swapping join inputs in ASTConverter
> ------------------------------------
>
>                 Key: HIVE-11152
>                 URL: https://issues.apache.org/jira/browse/HIVE-11152
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>             Fix For: 2.0.0
>
>         Attachments: HIVE-11152.02.patch, HIVE-11152.patch
>
>
> We want that multijoin optimization in SemanticAnalyzer always kicks in when CBO is enabled
(if possible). For that, we may need to swap the join inputs when we return from CBO through
the Hive AST.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message