dianfu opened a new pull request #11112: [FLINK-16121][python] Introduce ArrowReader and ArrowWriter for Arrow format data read and write URL: https://github.com/apache/flink/pull/11112 ## What is the purpose of the change *This PR is to introduce classes such as ArrowReader which is used to read the execution results of vectorized Python UDF and ArrowWriter which is used to convert Flink rows to Arrow format before sending them to the Python worker for vectorized Python UDF execution.* ## Brief change log - *Introduce ArrowReader which is used to read the execution results of vectorized Python UDF.* - *Introduce ArrowWriter which is used to convert Flink rows to Arrow format before sending them to the Python worker for vectorized Python UDF execution.* - *Introduce ArrowUtils which is used to create ArrowReader and ArrowWriter.* ## Verifying this change This change added tests and can be verified as follows: - *Added test ArrowUtilsTest* ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes) - 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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