dianfu opened a new pull request #8719: [FLINK-12767][python] Support user defined connectors/format URL: https://github.com/apache/flink/pull/8719 ## What is the purpose of the change *Currently, only built-in connectors such as FileSystem/Kafka/ES are supported and only built-in formats such as OldCSV/JSON/Avro/CSV/ are supported. There is no way provided for users to use other connectors or formats in Python Table API. We should provide a convenient way for the connectors/formats that are not built-in supported. This pull request adds this support.* ## Brief change log - *Add CustomFormatDescriptor and CustomConnectorDescriptor in flink-table-common* - *Add the corresponding CustomFormatDescriptor and CustomConnectorDescriptor in flink-python* ## Verifying this change This change added tests and can be verified as follows: - *Added tests CustomFormatDescriptorTests and CustomConnectorDescriptorTests* ## 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, 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 applicable)
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