[jira] [Commented] (FLINK-5315) Support distinct aggregations in table api

[Timo Walther (JIRA)]

    [ 
https://issues.apache.org/jira/browse/FLINK-5315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16555162#comment-16555162
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Timo Walther commented on FLINK-5315:
-------------------------------------

Thanks for working on this [~walterddr]. {{t.select("count(distinct a), 
sum(b)")}} cannot be expressed in Scala API. Shouldn't be {{'a.distinct.count}} 
the correct syntax?

> Support distinct aggregations in table api
> ------------------------------------------
>
>                 Key: FLINK-5315
>                 URL: https://issues.apache.org/jira/browse/FLINK-5315
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: Kurt Young
>            Assignee: Rong Rong
>            Priority: Major
>
> Such as 
> {code}
> t.select("count(distinct a), sum(b)")
> {code}
> or 
> {code}
> t.select('a.count.distinct), 'b.sum)
> {code}



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