xuyangzhong opened a new pull request #17308:
URL: https://github.com/apache/flink/pull/17308
## What is the purpose of the change
Get the correct converter which is used to deserialize a decimal field by
setting it the correct precision information.
## Brief change log
It caused by the different code route between executing actual sql examples
and testing test cases. So mainly change the code in
_TestRowDataCsvInputFormat_.
- Replace the TypeInformation which doesn't contain precision info with
DataType which contains.
- Add some test case in _FileSystemITCaseBase_
## Verifying this change
The test case added can verify this change.
*(or)*
This change is already covered by existing tests, such as *(please describe
tests)*.
*(or)*
This change added tests and can be verified as follows:
## 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?
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