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https://issues.apache.org/jira/browse/KYLIN-2383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15821062#comment-15821062
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Billy Liu commented on KYLIN-2383:
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https://github.com/apache/kylin/commit/c6108a78eeca8e4b906aeba4f94e28addd974676
> count distinct should not include NULL
> --------------------------------------
>
> Key: KYLIN-2383
> URL: https://issues.apache.org/jira/browse/KYLIN-2383
> Project: Kylin
> Issue Type: Bug
> Reporter: liyang
> Assignee: liyang
> Fix For: v2.0.0
>
>
> Count distinct of (NULL, 1, 2, 3) should be 3 not 4.
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