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https://issues.apache.org/jira/browse/FLINK-11052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek updated FLINK-11052:
-------------------------------------
    Release Note:   (was: Support FlatAggregate on batch group window Table 
API.)

> Add Bounded(Group Window) FlatAggregate operator to batch Table API
> -------------------------------------------------------------------
>
>                 Key: FLINK-11052
>                 URL: https://issues.apache.org/jira/browse/FLINK-11052
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: sunjincheng
>            Assignee: Dian Fu
>            Priority: Major
>             Fix For: 1.8.0
>
>
> Add FlatAggregate operator to *batch* group window Table API as described in 
> [FLIP-29|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=97552739].
> The usage:
> {code:java}
> tab.window(Tumble/Session/Slide... as 'w)
>    .groupBy('w, 'k1, 'k2)
>    .flatAggregate(tableAggregate('a))
>    .select('w.rowtime, 'k1, 'k2, 'col1, 'col2)
> {code}



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