liyang created KYLIN-2383:
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             Summary: 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


Count distinct of (NULL, 1, 2, 3) should be 3 not 4.



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