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https://issues.apache.org/jira/browse/TAJO-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092345#comment-14092345
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ASF GitHub Bot commented on TAJO-994:
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Github user blrunner commented on the pull request:
https://github.com/apache/tajo/pull/106#issuecomment-51736017
+1
Thanks your contribution.
I agree with your opinion and the patch looks good to me.
'mvn clean install' finished successfully.
Ship it. :)
> 'count(distinct x)' function counts first null value.
> -----------------------------------------------------
>
> Key: TAJO-994
> URL: https://issues.apache.org/jira/browse/TAJO-994
> Project: Tajo
> Issue Type: Bug
> Components: function/udf
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.9.0
>
>
> The current count distinct function counts the first null value. Consider the
> following example column. The current count distinct function will count them
> as 4 instead of 3. We should fix it.
> {noformat}
> \N
> A
> B
> B
> C
> {noformat}
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