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https://issues.apache.org/jira/browse/KYLIN-2974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Hao updated KYLIN-2974:
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Affects Version/s: v2.1.0
> joint group is Null lead to query error
> ---------------------------------------
>
> Key: KYLIN-2974
> URL: https://issues.apache.org/jira/browse/KYLIN-2974
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v2.1.0
> Reporter: Yang Hao
>
> When query a sql, it turns to find all possible aggregation group. But it may
> cause error when the joint group is empty
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