timsaucer commented on code in PR #1363:
URL:
https://github.com/apache/datafusion-python/pull/1363#discussion_r2782492912
##########
python/datafusion/catalog.py:
##########
@@ -195,6 +243,38 @@ def kind(self) -> str:
return self._inner.kind
+class CatalogProviderList(ABC):
+ """Abstract class for defining a Python based Catalog Provider List."""
+
+ @abstractmethod
+ def catalog_names(self) -> set[str]:
+ """Set of the names of all catalogs in this catalog list."""
+ ...
+
+ @abstractmethod
+ def catalog(self, name: str) -> Catalog | None:
+ """Retrieve a specific catalog from this catalog list."""
+ ...
+
+ def register_catalog( # noqa: B027
+ self, name: str, catalog: CatalogProviderExportable | CatalogProvider
| Catalog
Review Comment:
Yes, especially if they want to register an in-memory catalog they created
with the static method.
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