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https://issues.apache.org/jira/browse/KYLIN-4011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17047618#comment-17047618
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Shao Feng Shi commented on KYLIN-4011:
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[~tagtang] could you provide more information? thx!
> Kyling grouping function
> ------------------------
>
> Key: KYLIN-4011
> URL: https://issues.apache.org/jira/browse/KYLIN-4011
> Project: Kylin
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: v2.6.2
> Reporter: tag
> Assignee: Yaqian Zhang
> Priority: Major
> Attachments: image-2019-11-05-18-04-46-639.png
>
>
> {{```}}
> {{select dim1, case grouping(dim2) when 1 then 'ALL' else dim2 end, sum(col)
> as metric1 from table group by grouping sets((dim1, dim2), (dim1));}}
> {{```}}
> {{`case grouping(dim2) when 2 then 'All' else dim2 end` can work in version
> v2.5.2, but invalid in version v2.6.2. }}
> {{How to query aggregate by grouping sets?}}
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