wangxlong opened a new pull request #14541:
URL: https://github.com/apache/flink/pull/14541
…nterface for LookupTableSource
## What is the purpose of the change
LookupTableSource supports projection pushing down when implements
SupportsProjectionPushDown interface.
## Brief change log
Add rule `PushCalcIntoTemporalTableSourceRule ` to support projection push
into temporal tableSource.
And add some tests to verify this.
## Verifying this change
This change added tests and can be verified as follows:
1. Add PushCalcIntoTemporalTableSourceRuleTest class.
2. Add some test method to LookupJoinTest, and some tests in LookupJoinTest
also verify this.
3. Some tests in LookupJoinITCase already verify this.
## 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 / docs / JavaDocs
/ not documented)
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