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Posted to issues@flink.apache.org by "Hequn Cheng (JIRA)" <ji...@apache.org> on 2019/05/10 09:57:00 UTC
[jira] [Assigned] (FLINK-11052) Add Bounded(Group Window)
FlatAggregate operator to batch Table API
[ https://issues.apache.org/jira/browse/FLINK-11052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hequn Cheng reassigned FLINK-11052:
-----------------------------------
Assignee: Hequn Cheng (was: Dian Fu)
> 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 SQL / API
> Reporter: sunjincheng
> Assignee: Hequn Cheng
> Priority: Major
>
> 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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