Method register_schema

datafusion/ffi/src/tests/catalog.rs:148–160

(
        &self,
        name: &str,
        schema: Arc<dyn SchemaProvider>,
    )

    }

    fn register_schema(
        &self,
        name: &str,
        schema: Arc<dyn SchemaProvider>,
    ) -> Result<Option<Arc<dyn SchemaProvider>>> {
        if !["apple", "banana", "cherry", "date"].contains(&name) {
            return exec_err!(
                "FixedCatalogProvider only provides four schemas: apple, banana, cherry, date"
            );
        }

        self.inner.register_schema(name, schema)
    }

    fn deregister_schema(
        &self,