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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/02/28 15:58:42 UTC

[GitHub] aljoscha commented on issue #7638: [FLINK-11510] [DataStream] Add the MultiFieldSumAggregator to support KeyedStream.sum(int[] positionToSums )

aljoscha commented on issue #7638: [FLINK-11510] [DataStream] Add the MultiFieldSumAggregator to support KeyedStream.sum(int[] positionToSums )
URL: https://github.com/apache/flink/pull/7638#issuecomment-468327466
 
 
   @flinkbot disapprove consensus
   
   I think this addition doesn't fit well into the general roadmap that the community has for Flink (see https://flink.apache.org/roadmap.html#analytics-applications-an-the-roles-of-datastream-dataset-and-table-api). The Table API can be used for cases where you need to do filtering, projection, and aggregation, so adding this limited functionality in the DataStream API would not make sense right now.
   
   @wangpeibin713 I'm sorry that we only saw this only now and that you already put work into this. 😓 

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