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Posted to issues@kylin.apache.org by "zhou degao (JIRA)" <ji...@apache.org> on 2016/05/24 06:19:12 UTC

[jira] [Created] (KYLIN-1730) What kind of policies are used for "Extract Fact Table Distinct Columns" in cube buiding?

zhou degao created KYLIN-1730:
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             Summary: What kind of policies are used for "Extract Fact Table Distinct Columns" in cube buiding?
                 Key: KYLIN-1730
                 URL: https://issues.apache.org/jira/browse/KYLIN-1730
             Project: Kylin
          Issue Type: Task
            Reporter: zhou degao


What kind of policies are used for "Extract Fact Table Distinct Columns" in cube buiding?
I found the extracted records are much less than the original records.  
My original hive table has 7+ M records, but I got 5+ M records in the cube. What is the problem?



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