xuyangzhong opened a new pull request, #23716: URL: https://github.com/apache/flink/pull/23716
## What is the purpose of the change Cherry-pick from https://github.com/apache/flink/pull/23620. This pr try to fix that join hints should also be resolved and work when defined in subquery. ## Brief change log - *Modify the code in SqlToRelConverter to progagate the join hint when converting* - *Add an abstract shuttle to resolve join hint both in normal nodes and sub-querys.* - *Added a brief description of handling join hints in JoinStrategy* - *Correct the tests* ## Verifying this change This change is already covered by existing tests. There is also some extra tests added to verify it. ## 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: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
