[
https://issues.apache.org/jira/browse/FLINK-10977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hequn Cheng updated FLINK-10977:
--------------------------------
Summary: Add FlatAggregate operator to unbounded streaming Table API (was:
Add UnBounded FlatAggregate operator to streaming Table API)
> 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 API & SQL
> Reporter: sunjincheng
> Assignee: Hequn Cheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.8.0
>
>
> 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}
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
