Shaofeng SHI resolved KYLIN-2098.
    Resolution: Fixed

> TopN support query UHC column without sorting by sum value
> ----------------------------------------------------------
>                 Key: KYLIN-2098
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2098
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: Shaofeng SHI
>            Assignee: Shaofeng SHI
>             Fix For: v1.6.0
> In previous version, TopN doesn't support to query the UHC column directly 
> (as it is not in dimension), like this SQL: "select distinct seller_id
>  from test_kylin_fact where cal_dt >date'2012-06-01' 
> " (assume "seller_id" is a "group by" column in TopN measure)
> In some BI tool, it need fetch the distinct values of the dimension before 
> generating the chart, so it's better to serve such query directly.

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