twalthr opened a new pull request #7147: [FLINK-10674] [table] Fix handling of retractions after clean up URL: https://github.com/apache/flink/pull/7147 ## What is the purpose of the change Because state clean up happens in processing time, it might be the case that retractions are arriving after the state has been cleaned up. Before these changes, a new accumulator was created and invalid retraction messages were emitted. This change drops retraction messages for which no accumulator exists. It also refactors the tests and adds more test cases and explanations. ## Brief change log - Fix of `org.apache.flink.table.runtime.aggregate.GroupAggProcessFunction` - Improvements to the harness tests ## Verifying this change Additional harness tests and one ITCase for nested distinct aggregates. ## 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)`: no - The serializers: no - The runtime per-record code paths (performance sensitive): yes - 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? no - If yes, how is the feature documented? not applicable
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