You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hive.apache.org by "Carl Steinbach (JIRA)" <ji...@apache.org> on 2010/07/23 20:38:54 UTC
[jira] Updated: (HIVE-391) udafcount merge does not handle nulls
[ https://issues.apache.org/jira/browse/HIVE-391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carl Steinbach updated HIVE-391:
--------------------------------
Fix Version/s: 0.4.0
(was: 0.3.0)
> udafcount merge does not handle nulls
> -------------------------------------
>
> Key: HIVE-391
> URL: https://issues.apache.org/jira/browse/HIVE-391
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Priority: Blocker
> Fix For: 0.4.0
>
> Attachments: hive.391.1.patch, hive.391.2.patch
>
>
> udafcount merge does not handle nulls
> If the mapper does not emit any row on null input, i.e both count and count distinct are present, and the aggregation function is count,
> it will get a null pointer
> select count(1), count(distinct x.value) from src x where x.key = 9999;
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.