Airblader opened a new pull request #16213:
URL: https://github.com/apache/flink/pull/16213
## What is the purpose of the change
When working with hundreds of fields, equalisers can fail to compile
because the method body grows beyond 64kb. With this change, instead of
generating all code into one method, we generate a dedicated method per
field and then call all of those methods. This doesn't entirely remove
the problem, but supports roughly a factor of 10 more fields and is
currently deemed sufficient.
## Brief change log
- Adjust `EqualiserCodeGenerator` to generate one method per field and call
those methods.
## Verifying this change
This change added tests and can be verified as follows:
- `EqualiserCodeGeneratorTest`
## 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): yes
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/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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