hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16981) hive.optimize.bucketingsorting should compare the schema before removing RS
Date Fri, 07 Jul 2017 16:29:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16078336#comment-16078336
] 

Ashutosh Chauhan commented on HIVE-16981:
-----------------------------------------

+1 for getting this patch in to avoid incorrect results. 
Lets also open up a follow-up jira since we now miss some optimization opportunities after
this patch.

> hive.optimize.bucketingsorting should compare the schema before removing RS
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-16981
>                 URL: https://issues.apache.org/jira/browse/HIVE-16981
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-16981.01.patch, HIVE-16981.02.patch
>
>
> on master, smb_mapjoin_20.q, run
> {code}
> select * from test_table3;
> {code}
> you will get
> {code}
> val_0  0       NULL    1
> ...
> {code}
> The correct result is
> {code}
> val_0  0       val_0    1
> ...
> {code}



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

Mime
View raw message