HuangXingBo opened a new pull request #9858: Flink 14208 URL: https://github.com/apache/flink/pull/9858 ## What is the purpose of the change This pull request optimize Python UDFS with parameters of constant values.The constant parameters are not needed to be transferred between the Java operator and the Python worker. ## Brief change log - *Adds Constant message in flink-fn-execution.proto* - *Adds translate rexLiteral object to python object logic* ## Verifying this change This change added tests and can be verified as follows: - *Added test test_udf_with_constant_param* ## 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? (no) - If yes, how is the feature documented? (not applicable)
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