wenlong88 opened a new pull request #14699:
URL: https://github.com/apache/flink/pull/14699
## What is the purpose of the change
Introduce StreamPhysicalIntervalJoin and make StreamExecIntervalJoin only
extends from ExecNode
## Brief change log
1. introduce StreamPhysicalIntervalJoin and make StreamExecIntervalJoin
only extends from ExecNode
2. introduce IntervalJoinFunction to wrapper non-equil JoinCondition and
null join key filter in join spec, so that we do not need to compare join keys
in runtime because the join keys is already compared by the group key in
runtime.
## Verifying this change
This change is a refactor work, the change is already covered by existing
tests.
## 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)
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