External Catalog is old and you probably shouldn't touch it, it's mostly
for wrapping the old Hive interface.
Almost all connectors now are built using the DSV2 interface either via a
catalog, or directly via DataSourceRegister. I think Datasource register is
mostly good for backwards compatibilit
On Fri, Mar 24, 2023 at 11:23 AM Alex Cruise wrote:
> I found ExternalCatalog a few days ago and have been implementing one of
> those, but it seems like DataSourceRegister / SupportsCatalogOptions is
> another popular approach. I'm not sure offhand how they overlap/intersect
> just yet.
>
I wou