wangpeibin713 opened a new pull request #7638: [FLINK-11510] [DataStream] Add the MultiFieldSumAggregator to support KeyedStream.sum(int[] positionToSums )[FLINK-11510] [DataStream] Add the MultiFieldSumAggregator to support KeyedStream.sum(int[] positionToSums ) URL: https://github.com/apache/flink/pull/7638 ## What is the purpose of the change - The goal is to implement a KeyedStream API to sum with multi field as <https://issues.apache.org/jira/browse/FLINK-11510> ## Brief change log - add the class: - MultiFieldSumAggregator - add function in KeyedStream: - public SingleOutputStreamOperator sum(int[] positionToSums ) - public SingleOutputStreamOperator sum(String[] fields) - add unit test in follow ut - DataStreamTest - AggregationFunctionTest ## Verifying this change This change added tests and can be verified as follows: - *Added integration tests for end-to-end deployment with small data collection* ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): *no* - The public API, i.e., is any changed class annotated with@Public(Evolving): yes - org.apache.flink.streaming.api.datastream.KeyedStream - The serializers: *no* - The runtime per-record code paths (performance sensitive): *no* - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: *no* - The S3 file system connector: *no* ## Documentation - Does this pull request introduce a new feature? yes - If yes, how is the feature documented? not documented
---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
