You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hive.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2013/01/09 11:28:16 UTC
[jira] [Commented] (HIVE-2901) Hive union with NULL constant and
string in same column returns all null
[ https://issues.apache.org/jira/browse/HIVE-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13548068#comment-13548068 ]
Hudson commented on HIVE-2901:
------------------------------
Integrated in Hive-trunk-hadoop2 #54 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/54/])
HIVE-2901 Hive union with NULL constant and string in same column returns all null
(Navis via namit) (Revision 1310179)
Result = ABORTED
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1310179
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
* /hive/trunk/ql/src/test/queries/clientpositive/union_null.q
* /hive/trunk/ql/src/test/results/clientpositive/union_null.q.out
> Hive union with NULL constant and string in same column returns all null
> ------------------------------------------------------------------------
>
> Key: HIVE-2901
> URL: https://issues.apache.org/jira/browse/HIVE-2901
> Project: Hive
> Issue Type: Bug
> Reporter: Kevin Wilfong
> Assignee: Navis
> Priority: Critical
> Fix For: 0.9.0
>
> Attachments: ASF.LICENSE.NOT.GRANTED--HIVE-2901.D2541.1.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2901.D2541.2.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2901.D2541.3.patch
>
>
> select x from (select value as x from src union all select NULL as x from src)a;
> This query produces all nulls, where value is a string column.
> Notably,
> select x from (select key as x from src union all select NULL as x from src)a;
> where key is a string, but can be cast to a double, the query returns correct results.
--
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