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Posted to dev@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2013/09/24 05:10:07 UTC
[jira] [Work started] (TAJO-145) count(distinct column) should be
supported.
[ https://issues.apache.org/jira/browse/TAJO-145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on TAJO-145 started by Hyunsik Choi.
> count(distinct column) should be supported.
> -------------------------------------------
>
> Key: TAJO-145
> URL: https://issues.apache.org/jira/browse/TAJO-145
> Project: Tajo
> Issue Type: Improvement
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2-incubating
>
>
> The distinct included in count function should be supported.
> {code}
> select count(distinct col1) from table
> {code}
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