[GitHub] [flink] HuangZhenQiu opened a new pull request #10327: [FLINK-14914][table] refactor CatalogFunction by adding Language support

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

HuangZhenQiu opened a new pull request #10327: [FLINK-14914][table] refactor CatalogFunction by adding Language support
URL: https://github.com/apache/flink/pull/10327
 
 
   ## What is the purpose of the change
    Refactor CatalogFunction interface and impls to add language field so that the language setting can be used by function DDL.
   
   ## Brief change log
   
   Add getLanguage function in CatalogFunction interface and CatalogFunctionImpl
   When adding non JAVA defined function to HiveCatalog, runtime exception will be thrown.
   
   ## Verifying this change
   This change added tests and can be verified in existing test cases in:
   
     - HiveCatalogGenericMetadataTest
     - GenericInMemoryCatalogFactoryTest
     - HiveCatalogHiveMetadataTest
     - test_catalog in flnk-python module
   
   ## 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, 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)
   

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