feature-list
sql.schema.get_virtual_table.*
----

feature-usage
SELECT * FROM pg_catalog.pg_cast
----
sql.schema.get_virtual_table.pg_catalog.pg_cast

feature-usage
SELECT * FROM information_schema.schema_privileges LIMIT 1
----
sql.schema.get_virtual_table.information_schema.schema_privileges

feature-usage
SELECT * FROM crdb_internal.databases LIMIT 1
----

feature-usage
SELECT * FROM pg_catalog.pg_xxx
----
error: pq: relation "pg_catalog.pg_xxx" does not exist
