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https://issues.apache.org/jira/browse/HIVE-4310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13637097#comment-13637097
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Gang Tim Liu commented on HIVE-4310:
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+1
> optimize count(distinct) with hive.map.groupby.sorted
> -----------------------------------------------------
>
> Key: HIVE-4310
> URL: https://issues.apache.org/jira/browse/HIVE-4310
> Project: Hive
> Issue Type: Improvement
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.4310.1.patch, hive.4310.1.patch-nohcat,
> hive.4310.2.patch-nohcat, hive.4310.3.patch-nohcat, hive.4310.4.patch
>
>
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