twalthr opened a new pull request #13149:
URL: https://github.com/apache/flink/pull/13149
## What is the purpose of the change
Allows to use `@DataTypeHint(...)` as a synonym `@FunctionHint(output =
@DataTypeHint(...))` for table and aggregate functions.
## Brief change log
Search for a single `@DataTypeHint(...)` on top of method/class if
reflection extraction is used.
## Verifying this change
This change added tests and can be verified as follows:
`TypeInferenceExtractorTest`
## 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)`: yes
- 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? yes
- If yes, how is the feature documented? JavaDocs
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