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Posted to issues@kylin.apache.org by "Ma Gang (JIRA)" <ji...@apache.org> on 2017/10/25 03:19:00 UTC

[jira] [Created] (KYLIN-2965) RealizationChooser cost calculation logic different with CubeInstance

Ma Gang created KYLIN-2965:
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             Summary: RealizationChooser cost calculation logic different with CubeInstance
                 Key: KYLIN-2965
                 URL: https://issues.apache.org/jira/browse/KYLIN-2965
             Project: Kylin
          Issue Type: Improvement
          Components: Query Engine
            Reporter: Ma Gang
            Assignee: Ma Gang
            Priority: Minor


In RealizationChooser.RealizationCost, it uses cube's all dimensions(including all derived columns) to calculate the cost, but in CubeInstance, it use row key column count. Think it is a bug, should not include the derived column number to calculate cost



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