fhueske opened a new pull request, #28675:
URL: https://github.com/apache/flink/pull/28675
## What is the purpose of the change
Add a check in SqlValidator to reject PTF calls with system-args (`on_time`,
`uid`) if the function disabled them.
Before, system-args were either accepted but ignored (custom implementation
like MLPredict) or the generic PTF handling framework throws an exception later
(this part is untouched because the execution framework expects these args in
the function signature even if not set).
## Brief change log
* add check to `FlinkCalciteSqlValidator`
* add unit tests to `ProcessTableFunctionTest`
* add unit tests for `MLPredict` function
## Verifying this change
Added unit 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, 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? n/A
---
##### Was generative AI tooling used to co-author this PR?
- [X] Yes (please specify the tool below)
Generated-by: Claude Code 2.1.200 (Opus 4.8)
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