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From "Shaofeng SHI (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KYLIN-3161) Enforce global dictionary for bitmap count distinct column
Date Thu, 11 Jan 2018 13:47:00 GMT
Shaofeng SHI created KYLIN-3161:
-----------------------------------

             Summary: Enforce global dictionary for bitmap count distinct column
                 Key: KYLIN-3161
                 URL: https://issues.apache.org/jira/browse/KYLIN-3161
             Project: Kylin
          Issue Type: Improvement
          Components: Metadata, Web 
            Reporter: Shaofeng SHI
            Assignee: Shaofeng SHI


For bitmap based count distinct column (as the data type is not int), a Global dictionary
is required. But now user can use normal dictionary, which may cause incorrect result.



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