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Posted to issues@hive.apache.org by "Pengcheng Xiong (JIRA)" <ji...@apache.org> on 2016/11/08 22:01:58 UTC
[jira] [Assigned] (HIVE-10901) Optimize mutli column distinct
queries
[ https://issues.apache.org/jira/browse/HIVE-10901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pengcheng Xiong reassigned HIVE-10901:
--------------------------------------
Assignee: Pengcheng Xiong (was: Ashutosh Chauhan)
> Optimize mutli column distinct queries
> ----------------------------------------
>
> Key: HIVE-10901
> URL: https://issues.apache.org/jira/browse/HIVE-10901
> Project: Hive
> Issue Type: New Feature
> Components: CBO, Logical Optimizer
> Affects Versions: 1.2.0
> Reporter: Mostafa Mokhtar
> Assignee: Pengcheng Xiong
> Attachments: HIVE-10901.patch
>
>
> HIVE-10568 is useful only when there is a distinct on one column. It can be expanded for multiple column cases too.
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