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https://issues.apache.org/jira/browse/KYLIN-2765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liyang resolved KYLIN-2765.
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Resolution: Duplicate
> Eliminate restriction on Global Dictionary of Dim columns
> ---------------------------------------------------------
>
> Key: KYLIN-2765
> URL: https://issues.apache.org/jira/browse/KYLIN-2765
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine, Metadata, Query Engine
> Reporter: Roger Shi
> Assignee: Dong Li
> Labels: scope
>
> Cube dimension column is not allow to be in accurate-count-distinct measure.
> Global Dictionary encoding is a kind of dict in metadata. Dict encoding is
> created for dim at the beginning, so Global Dictionary is a special one for
> measure.
> To eliminate the restriction, there're two possible ways in my view. One is
> move Global Dictionary metadata out of dict section to a new section such as
> "measure dict" (not there now, create a new one). The other way is handle
> Global Dictionary differently in both cubing engine and query engine.
> There might be other better methods. Let's discuss here and find a good way
> out.
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