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https://issues.apache.org/jira/browse/HIVE-474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12923035#action_12923035
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Namit Jain commented on HIVE-474:
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Diff at https://review.cloudera.org/r/1052/ for review
> Support for distinct selection on two or more columns
> -----------------------------------------------------
>
> Key: HIVE-474
> URL: https://issues.apache.org/jira/browse/HIVE-474
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Alexis Rondeau
> Assignee: Amareshwari Sriramadasu
> Attachments: hive-474.0.4.2rc.patch, patch-474.txt
>
>
> 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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