beyond1920 opened a new pull request #16022:
URL: https://github.com/apache/flink/pull/16022
## What is the purpose of the change
The pr aims to decouple window aggregate allow lateness with state ttl
configuration
1. Introduce `table.exec.emit.allow-lateness` configuration (which is also
@Experimental).
2. Use the value of `table.exec.emit.allow-lateness` as allow-lateness for
window and also keep the state ttl can still take effect when the new config is
not set `table.exec.emit.allow-lateness`.
3. Fix bug: enable allow-lateness for window only when late-fire emit
strategy is specified
## Brief change log
- Updates `WindowEmitStrategy`
## Verifying this change
- Add UT in `GroupWindowTest`
- Add ITCase in `GroupWindowITCase`
## 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/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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