bowenli86 opened a new pull request #9908: [FLINK-14401][table][hive] create DefaultFunctionDefinitionFactory to in… URL: https://github.com/apache/flink/pull/9908 …stantiate regular java class-based udf ## What is the purpose of the change Adding a common way to instantiating java class-based udf for Flink via DefaultFunctionDefinitionFactory ## Brief change log - made FunctionDefinitionFactory independent of TableFactory as the former one doesn't need service discovery - created DefaultFunctionDefinitionFactory with default implementation to instantiate a regular java class-based Flink udf - moved Hive udf related logic from HiveTableFactory to HiveFunctionDefinitionFactory ## Verifying this change This change is already covered by existing tests, such as *(please describe tests)*. This change added tests and can be verified as follows: ## 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, 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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