beyond1920 opened a new pull request #15963: URL: https://github.com/apache/flink/pull/15963
## What is the purpose of the change This pr aims to remove throw exception logical in `WindowJoinUtil`#`containsWindowStartEqualityAndEndEquality`. After the update, the physical node will fall back to regular join instead of thrown exception if a join does not satisfy conditions to translate into WindowJoin. ## Brief change log - remove throw exception logical in `WindowJoinUtil` ## Verifying this change - * Exists UT in `WindowJoinTest` ## 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): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/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) -- 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