shuiqiangchen opened a new pull request #13150:
URL: https://github.com/apache/flink/pull/13150
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## What is the purpose of the change
There are many built-in RowSerializationSchemas and
RowDeserializationSchemas for DataStream Source and Sink, like
JsonRow(De)SerializationSchema, AvroRow(De)SerializationSchema. In Python
DataStream API, we will also support these schemas.
## Brief change log
- Add JsonRowSerializationSchema and JsonRowDeserializationSchema
- Add CsvRowSerializationSchema and CsvRowDeserializationSchema
- Add AvroRowSerializationSchema and AvroRoDeserializationSchema
- Add SimpleStringSchema
## Verifying this change
This change has test case covered in test_serialization_schemas.py
## 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/Mesos, 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 documented)
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