xuyangzhong opened a new pull request, #27828: URL: https://github.com/apache/flink/pull/27828
## What is the purpose of the change Support cascaded delta join runtime. Note: Considering the PR size, the restore test for cascaded delta join will be introduced in a separate PR later(https://issues.apache.org/jira/browse/FLINK-39322). ## Brief change log - *Introduce `CascadedLookupHandler` and `TailOutputDataHandler` for cascaded delta join lookup chain* - *Add operator test and IT cases to verify this pr* ## Verifying this change Tests are added to verify this pr. ## 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, 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? -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
