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[FLINK-37898][table] Implement delta join operator #26649

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[FLINK-37898][table] Implement delta join operator #26649

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@Au-Miner Au-Miner commented Jun 6, 2025 •
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What is the purpose of the change

Implement delta join operator.

Brief change log

  • Implement delta join operator in Runtime and Planner.
  • Add DeltaJoinITCase and StreamingDeltaJoinOperatorTest.

Verifying this change

Existent tests and new added tests can verify this change.

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, Kubernetes/Yarn, 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? (not applicable / docs / JavaDocs / not documented)

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flinkbot commented Jun 6, 2025 •
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CI report:

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

@Au-Miner Au-Miner force-pushed the FLINK-37898 branch 3 times, most recently from af486cc to 0e8f645 Compare June 11, 2025 07:28
@Au-Miner Au-Miner marked this pull request as ready for review June 11, 2025 07:51
@Au-Miner Au-Miner force-pushed the FLINK-37898 branch 4 times, most recently from f76f7fb to f2770c4 Compare June 16, 2025 09:02
xuyangzhong
xuyangzhong reviewed Jun 16, 2025
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Thanks for driving this. I have left some comments.

xuyangzhong
xuyangzhong reviewed Jun 16, 2025
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Hi, @xuyangzhong. Thanks for review, I have solved the commits.

xuyangzhong
xuyangzhong reviewed Jun 18, 2025
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@xuyangzhong, thanks! The commit has updated.

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