Fix CI

Author: tschwarzinger

datafusion-examples/examples/extension_types/temperature.rs

@@ -166,7 +166,7 @@ impl TemperatureExtensionType {
             storage_type: storage_type.clone(),
             temperature_unit,
         };
-        result.supports_data_type(&storage_type)?; // Validate the storage type
+        result.supports_data_type(storage_type)?; // Validate the storage type
         Ok(result)
     }
 }

datafusion/expr/src/registry.rs

@@ -246,6 +246,8 @@ pub type ExtensionTypeRegistrationRef = Arc<dyn ExtensionTypeRegistration>;
 /// field and create the corresponding [`DFExtensionType`] instance with the correct `n` set.
 ///
 /// The [`DefaultExtensionTypeRegistration`] provides a convenient way of creating registrations.
+///
+/// [`DFExtensionType`]: datafusion_common::types::DFExtensionType
 pub trait ExtensionTypeRegistration: Debug + Send + Sync {
     /// The name of the extension type.
     ///