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FLINK-37154: Adding SimpleByteSchema for PyFlink #26080

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What is the purpose of the change

This pull request enables PyFlink to consume Byte arrays from Kafka enabling consumption of binary formatted data. It is intended to be used similar to the SimpleStringSchema in the value serialiser configuration.

Brief change log

  • Added SimpleByteSchema Java class into flink-core and Python wrapper into flink-python so PyFlink can consume byte arrays from Kafka
  • Corresponding unit tests

Verifying this change

This change added tests and can be verified as follows:

  • Added SimpleByteSchemaTest unit test
  • PyFlink test in KafkaSourceTests test_set_value_only_deserializer

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: yes
  • The runtime per-record code paths (performance sensitive): yes
  • Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: don't know
  • The S3 file system connector: no

Documentation

  • Does this pull request introduce a new feature? yes
  • If yes, how is the feature documented? not documented

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flinkbot commented Jan 25, 2025

CI report:

Bot commands The @flinkbot bot supports the following commands:
  • @flinkbot run azure re-run the last Azure build

@christeoh
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christeoh commented Jan 25, 2025 via email

@christeoh
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christeoh commented Jan 25, 2025 via email

@christeoh
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@flinkbot run azure

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