ConstReadonlyDATASOURCE_VIEW_BASIC: "DATASOURCE_VIEW_BASIC"Returns only the identity and Unity Catalog location fields: name, datasource_id,
catalog_name, schema_name, datasource_name, and owner. Other fields, such as
etag, the ingestion method, schedule, and status, are omitted.
ReadonlyDATASOURCE_VIEW_FULL: "DATASOURCE_VIEW_FULL"Returns the full datasource, including its ingestion method, schedule, and status.
ReadonlyDATASOURCE_VIEW_UNSPECIFIED: "DATASOURCE_VIEW_UNSPECIFIED"Unset is treated as DATASOURCE_VIEW_FULL, preserving the behavior of
callers that do not request a view.
Which fields list responses return for each datasource.