sunjincheng created FLINK-11051:
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Summary: Add Bounded(Group Window) FlatAggregate operator to
streaming Table API
Key: FLINK-11051
URL: https://issues.apache.org/jira/browse/FLINK-11051
Project: Flink
Issue Type: Sub-task
Components: Table API & SQL
Reporter: sunjincheng
Fix For: 1.8.0
Add FlatAggregate operator to streaming 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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