twalthr opened a new pull request, #27352:
URL: https://github.com/apache/flink/pull/27352

   ## What is the purpose of the change
   
   This exposes the ExecNode type to the advanced table source/sink API via 
`ProviderContext`. It is required for correcting the invalid UID assignment 
tracked under FLINK-38738 for Transformation and DataStream source providers. 
WIth this information, the connector can better deal with legacy when evolving 
the connector code itself.
   
   ## Brief change log
   
   - Give the connector information about the sink/source ExecNode version.
   
   ## Verifying this change
   
   This change added tests and can be verified as follows: `TransformationsTest`
   
   ## 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)`: yes
     - 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? JavaDocs
   


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