[GitHub] [flink] dawidwys opened a new pull request #8852: [FLINK-12798][table-api][table-planner] Add a proper discover mechanism that will enable switching between Flink & Blink Planner/Executor

[GitBox <gi...@apache.org>]

dawidwys opened a new pull request #8852:  [FLINK-12798][table-api][table-planner] Add a proper discover mechanism that will  enable switching between Flink & Blink Planner/Executor
URL: https://github.com/apache/flink/pull/8852
 
 
   ## What is the purpose of the change
   
   This PR improves the lookup mechanism for `Planner` & `Executor` to enable switching between Flink & Blink planner components/
   
   
   ## Brief change log
   
     - Improved type handling in `TableFactoryService`
     - Enabled returning multiple matching `TableFactory`s from `TableFactoryService`
     - Added `ExecutorFactory` & `PlannerFactory` that can be discovered based on string properties
     - Added `PlannerDescriptor` to enable switching between different planner components in the API.
   
   
   ## Verifying this change
   
   This change is already covered by existing tests.
   Added tests for disambiguating factories based on `optionalContext`: `org.apache.flink.table.factories.ComponentFactoryServiceTest`
   
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes / **no**)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (**yes** / no)
     - The serializers: (yes / **no** / don't know)
     - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
     - The S3 file system connector: (yes / **no** / don't know)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (**yes** / no)
     - If yes, how is the feature documented? (not applicable / docs / JavaDocs / **not documented**): should be added as a follow-up as part of major rework of docs for the updated Table API
   

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