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https://issues.apache.org/jira/browse/FLINK-10977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sunjincheng closed FLINK-10977.
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Resolution: Fixed
Fixed in master: e5cadf69d176181af7d097928bf2a6cade1b6c76
> Add FlatAggregate operator to unbounded streaming Table API
> -----------------------------------------------------------
>
> Key: FLINK-10977
> URL: https://issues.apache.org/jira/browse/FLINK-10977
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: sunjincheng
> Assignee: Hequn Cheng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Add FlatAggregate operator to streaming Table API as described in [Google
> doc|https://docs.google.com/document/d/1tnpxg31EQz2-MEzSotwFzqatsB4rNLz0I-l_vPa5H4Q/edit#heading=h.q23rny2iglsr].
> The usage:
> {code:java}
> val res = tab
> .groupBy('a) // leave out groupBy-clause to define global table aggregates
> .flatAgg(fun: TableAggregateFunction) // output has columns 'a, 'b, 'c
> .select('a, 'c){code}
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