You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hive.apache.org by "caofangkun (JIRA)" <ji...@apache.org> on 2013/06/17 10:20:20 UTC
[jira] [Commented] (HIVE-2827) Implement nullsafe equi-join
[ https://issues.apache.org/jira/browse/HIVE-2827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13685091#comment-13685091 ]
caofangkun commented on HIVE-2827:
----------------------------------
In file /hive/trunk/ql/src/test/queries/clientpositive/join_nullsafe.q
there's a line of command seems useless:
"set hive.nullsafe.equijoin=true;"
> Implement nullsafe equi-join
> ----------------------------
>
> Key: HIVE-2827
> URL: https://issues.apache.org/jira/browse/HIVE-2827
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Environment: ubuntu 10.04
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Fix For: 0.9.0
>
> Attachments: ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.1.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.2.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.3.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.4.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.5.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.6.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2827.D1971.7.patch
>
>
> was part of HIVE-2810, but separated because it affected more classes than expected.
> {noformat}
> SELECT * FROM a JOIN b ON a.key <=> b.key
> {noformat}
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira