leonardBang opened a new pull request #13307: URL: https://github.com/apache/flink/pull/13307
## What is the purpose of the change * This pull request import rowtime temporal join operator. Temporal TableFunction join (LATERAL TemporalTableFunction(o.proctime)) will support by `LegacyTemporalRowTimeJoinOperator`, Temporal table join (FOR SYSTEM_TIME AS OF) will support by `TemporalRowTimeJoinOperator` ## Brief change log - Import `TemporalRowTimeJoinOperator` which supports changelog on both left input and right input - Move the primary key condition validation from physical phase to logical phase ## Verifying this change - Add ITCase in `TemporalJoinITCase` - Add unit test in `TemporalJoinTest` ## 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, 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 / 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