EronWright opened a new pull request #7392: [FLINK-11241][table] - Enhance TableEnvironment to connect to a catalog via descriptor URL: https://github.com/apache/flink/pull/7392 ## What is the purpose of the change This PR builds on #7390 (catalog descriptor/factory), to provide a typed API on `TableEnvironment` for connecting to a catalog via descriptor. You may see this API in action in [this example](https://github.com/EronWright/flink-training-exercises/blob/feature-sql-client-support/src/main/java/com/dataartisans/flinktraining/examples/table_java/examples/ViaCatalog.java#L51). Please see commits prefixed with FLINK-11241. ## Brief change log - Added `ConnectExternalCatalogDescriptor` - Extended `TableEnvironment` with new `connect` method for catalogs ## Verifying this change This change added tests and can be verified as follows: - Added unit test `ConnectExternalCatalogDescriptorTest` for testing the new API ## 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)`: **yes** - 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? **yes** - If yes, how is the feature documented? JavaDocs
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