godfreyhe opened a new pull request, #19939:
URL: https://github.com/apache/flink/pull/19939
## What is the purpose of the change
*This pr aims to implement the basic logic for FLIP-231, including:
Introduce SupportsStatisticsReport and
FileBasedStatisticsReportableDecodingFormat interface
Introduce FlinkRecomputeStatisticsProgram to compute statistics after filter
push and partition pruning*
## Brief change log
- *Introduce SupportsStatisticsReport interface*
- *Introduce FileBasedStatisticsReportableDecodingFormat interface*
- *Introduce FlinkRecomputeStatisticsProgram to compute statistics after
filter push and partition pruning*
## Verifying this change
Please make sure both new and modified tests in this PR follows the
conventions defined in our code quality guide:
https://flink.apache.org/contributing/code-style-and-quality-common.html#testing
This change added tests and can be verified as follows:
- *Added FileSystemStatisticsReportTest to verify the change*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (**yes** / no)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / **no** / don't
know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (**yes** / no)
- If yes, how is the feature documented? (not applicable / docs / JavaDocs
/ **not documented**)
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