yunfengzhou-hub opened a new pull request, #21730:
URL: https://github.com/apache/flink/pull/21730
## What is the purpose of the change
This PR fixes the bug that PyFlink cannot invoke `Explainable.explain()`
method through py4j.
## Brief change log
- invoke
`String explain(ExplainFormat format, ExplainDetail... extraDetails)`
instead of
`String explain(ExplainDetail... extraDetails)`
when PyFlink uses this function.
## Verifying this change
This change is already covered by existing tests, such as
`pyflink/table/tests/test_explain.py::StreamTableExplainTests::test_explain`.
## 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? not applicable
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