lsyldliu opened a new pull request, #21605:
URL: https://github.com/apache/flink/pull/21605
## What is the purpose of the change
*Supports native hive max function for hive dialect. Due to flink doesn't
support compare array and row type, so this implementation also doesn't max
array and row type, but hive udaf supports it.*
## Brief change log
- *Supports native hive max function for hive dialect*
## Verifying this change
This change added tests and can be verified as follows:
- *Added integration tests in HiveDialectQueryITCase*
## 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? (yes)
- If yes, how is the feature documented? (JavaDocs)
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