[jira] [Created] (FLINK-4330) Consider removing min()/minBy()/max()/maxBy()/sum() utility methods from the DataStream API

[Robert Metzger (JIRA)]

Robert Metzger created FLINK-4330:
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             Summary: Consider removing min()/minBy()/max()/maxBy()/sum() 
utility methods from the DataStream API
                 Key: FLINK-4330
                 URL: https://issues.apache.org/jira/browse/FLINK-4330
             Project: Flink
          Issue Type: Sub-task
          Components: DataStream API
            Reporter: Robert Metzger
             Fix For: 2.0.0


I think we should consider removing the min()/minBy()/max()/maxBy()/sum() 
utility methods from the DataStream API. They make the maintenance of the code 
unnecessary complicated, and don't add enough value for the users (who can not 
access the window metadata).

If we are keeping the methods, we should consolidate the min/minBy methods: the 
difference is subtle, and minBy can subsume the min method.




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