Mailing-List: contact dev-help@hive.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@hive.apache.org
Date: Tue, 15 Jan 2013 11:28:14 +0000 (UTC)
From: "Phabricator (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12611926.1350341161929.136497.1358249294284@arcas>
In-Reply-To: <JIRA.12611926.1350341161929@arcas>
References: <JIRA.12611926.1350341161929@arcas>
Subject: [jira] [Commented] (HIVE-3582) NPE in union processing followed by
 lateral view followed by 2 group bys
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/jira/browse/HIVE-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553686#comment-13553686 ] 

Phabricator commented on HIVE-3582:
-----------------------------------

navis has commented on the revision "HIVE-3582 [jira] NPE in union processing followed by lateral view followed by 2 group bys".

INLINE COMMENTS
  ql/src/java/org/apache/hadoop/hive/ql/lib/Utils.java:54 ok.
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/MapJoinFactory.java:360 I think it's same meaning. I'll add clarifying round brackets.
  ql/src/test/queries/clientpositive/union_lateralview2.q:2 ok.

REVISION DETAIL
  https://reviews.facebook.net/D6051

To: JIRA, navis
Cc: zhenxiao

                
> NPE in union processing followed by lateral view followed by 2 group bys
> ------------------------------------------------------------------------
>
>                 Key: HIVE-3582
>                 URL: https://issues.apache.org/jira/browse/HIVE-3582
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Navis
>         Attachments: HIVE-3582.D6051.1.patch
>
>
> EXPLAIN 
> SELECT e.key, e.arr_ele, count(1) FROM (
>   SELECT d.key as key, d.arr_ele as arr_ele, d.value  as value, count(1) as cnt FROM (
>     SELECT c.arr_ele as arr_ele, a.key as key, a.value as value FROM (
>       SELECT key, value, array(1,2,3) as arr
>       FROM src
>       UNION ALL
>    
>       SELECT key, value, array(1,2,3) as arr
>       FROM srcpart
>       WHERE ds = '2008-04-08' and hr='12'
>     ) a LATERAL VIEW EXPLODE(arr) c AS arr_ele
>   ) d group by d.key, d.arr_ele, d.value
> ) e group by e.key, e.arr_ele;

--
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