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https://issues.apache.org/jira/browse/HIVE-408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747777#action_12747777
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Zheng Shao commented on HIVE-408:
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Edward, hive trunk/branch 0.4 is using GenericUDAFCount which already has the
fix.
We should remove UDAFCount.java from the code base.
I guess you want this for an early version?
> UDAFCount should count empty strings
> ------------------------------------
>
> Key: HIVE-408
> URL: https://issues.apache.org/jira/browse/HIVE-408
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Zheng Shao
> Assignee: Edward Capriolo
> Attachments: hive-408.diff
>
>
> UDAFCount is not counting empty strings right now. We should count that
> according to SQL standard. (Null is not counted.)
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