[FLINK-11240] [table] External Catalog Factory and Descriptor #7390
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What is the purpose of the change
Based on PR #7389; please see commits that are prefixed with FLINK-11240.
Implements the descriptor and factory infrastructure for external catalogs.
I found it counterproductive to involve
ConnectorDescriptorfor external catalogs. That type was designed to support a mix-and-match between connector and format. See FLINK-11241 for more.On the topic of the transition to
flink-table-common, I found it convenient to keep the new types inflink-tableuntilExternalCatalogmoves (FLINK-10755). Java was used whenever possible.Closes FLINK-11240.
Brief change log
ExternalCatalogDescriptorExternalCatalogDescriptorValidatorExternalCatalogFactoryTableFactoryUtil::findAndCreateExternalCatalogVerifying this change
This change added tests and can be verified as follows:
ExternalCatalogDescriptorTestfor descriptorsExternalCatalogFactoryServiceTestfor factory discoveryTestExternalCatalogFactoryfor test purposes which serves the catalog provided by the existingCommonTestData::getInMemoryTestCatalog.Does this pull request potentially affect one of the following parts:
@Public(Evolving): yesDocumentation