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Ivan Mushketyk commented on FLINK-4029: --------------------------------------- Gabor, This should be very helpful! Thank you for your suggestion. > Multi-field "sum" function just like "keyBy" > -------------------------------------------- > > Key: FLINK-4029 > URL: https://issues.apache.org/jira/browse/FLINK-4029 > Project: Flink > Issue Type: Improvement > Components: DataStream API > Reporter: Rami > Assignee: Ivan Mushketyk > Priority: Minor > > I can use keyBy as follows: > stream.keyBy(“pojo.field1”,”pojo.field2”,…) > Would make sense that I can use sum for example, to do its job for more than > one field: > stream.sum(“pojo.field1”,”pojo.field2”,…) -- This message was sent by Atlassian JIRA (v6.3.4#6332)