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https://issues.apache.org/jira/browse/HIVE-474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12851261#action_12851261
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Mafish commented on HIVE-474:
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I have uploaded a patch originated from 0.4.2rc, please have a review.
> Support for distinct selection on two or more columns
> -----------------------------------------------------
>
> Key: HIVE-474
> URL: https://issues.apache.org/jira/browse/HIVE-474
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Alexis Rondeau
> Attachments: hive-474.1.patch
>
>
> The ability to select distinct several, individual columns as by example:
> select count(distinct user), count(distinct session) from actions;
> Currently returns the following failure:
> FAILED: Error in semantic analysis: line 2:7 DISTINCT on Different Columns
> not Supported user
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