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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