bvarghese1 opened a new pull request, #23520:
URL: https://github.com/apache/flink/pull/23520
- Previously, TypeInferenceOperandInference was not validating argument
counts which led to bugs like FLINK-33248
- This commit adds a check to validate argument count and throws an
exception if the argument count doesn't match the expected number of arguments
## What is the purpose of the change
Validate argument count during type inference to avoid bugs like
[FLINK-33248]
## Brief change log
- *Adds a check to validate argument count and throws an exception if the
argument count doesn't match the expected number of arguments*
- *Also leads to better error messages*
## Verifying this change
This change added tests and can be verified as follows:
- *Added test to verify a ValidationException message is seen when
functions are invoked without arguments*
- *Updated existing function tests with improved error message*
## 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, 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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