[ https://issues.apache.org/jira/browse/FLINK-13854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jiayi Liao closed FLINK-13854. ------------------------------ Resolution: Invalid > Support Aggregating in Join and CoGroup > --------------------------------------- > > Key: FLINK-13854 > URL: https://issues.apache.org/jira/browse/FLINK-13854 > Project: Flink > Issue Type: New Feature > Components: API / DataStream > Affects Versions: 1.9.0 > Reporter: Jiayi Liao > Priority: Major > > In WindowStream we can use windowStream.aggregate(AggregateFunction, > WindowFunction) to aggregate input records in real-time. > I think we should support similar api in JoinedStreams and CoGroupStreams, > because it's a very huge cost by storing the records log in state backend, > especially when we don't need the specific records. -- This message was sent by Atlassian Jira (v8.3.4#803005)