WencongLiu commented on code in PR #24398: URL: https://github.com/apache/flink/pull/24398#discussion_r1510727272
########## flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/KeyedStream.java: ########## @@ -1071,6 +1077,110 @@ protected SingleOutputStreamOperator<T> aggregate(AggregationFunction<T> aggrega return reduce(aggregate).name("Keyed Aggregation"); } + @Override + public PartitionWindowedStream<T> fullWindowPartition() { + throw new UnsupportedOperationException( + "KeyedStream doesn't support processing non-keyed partitions."); Review Comment: After offline discussion, we all agree that a better version is "KeyedStream doesn't support full window on partitions, if you want operations over each-key, use methods in KeyedStream directly." In DataStream V1, the KeyedStream doesn't have the concept "all records of same key is a partition". -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org