liuyongvs opened a new pull request #12866:
URL: https://github.com/apache/flink/pull/12866
## What is the purpose of the change
*make the DynamicSource supports LimitPushDown Rule*
## Verifying this change
This change added tests and can be verified as follows:
- Added LimitTest to verify the plan
- Extended LimitITCase (only batch)to verify the result limit projection
- make the TestValueSource supports LimitPushDown
## 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? (yes)
- If yes, how is the feature documented? (JavaDocs)
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