godfreyhe opened a new pull request #14605: URL: https://github.com/apache/flink/pull/14605
## What is the purpose of the change *Separate the implementation of BatchExecOverAggregate and StreamExecOverAggregate* ## Brief change log - *Introduce StreamPhysicalOverAggregate, and make StreamExecOverAggregate only extended from ExecNode* - *Introduce StreamPhysicalPythonOverAggregate, and make StreamExecPythonOverAggregate only extended from ExecNode* - *Introduce BatchPhysicalOverAggregate, and make BatchExecOverAggregate only extended from ExecNode* - *Introduce BatchPhysicalPythonOverAggregate, and make BatchExecPythonOverAggregate only extended from ExecNode* ## Verifying this change This change is a refactoring rework covered by existing tests. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (not applicable / docs / JavaDocs / **not documented**) ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org