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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2019/02/25 12:27:00 UTC
[jira] [Updated] (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 ]
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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