Set created_timestamp and last_updated_timestamp fields

protos/feast/core/OnDemandFeatureView.proto

@@ -55,6 +55,9 @@ message OnDemandFeatureViewSpec {
 message OnDemandFeatureViewMeta {
     // Time where this Feature View is created
     google.protobuf.Timestamp created_timestamp = 1;
+
+    // Time where this Feature View is last updated
+    google.protobuf.Timestamp last_updated_timestamp = 2;
 }
 
 message OnDemandInput {

sdk/python/feast/base_feature_view.py

@@ -28,12 +28,16 @@
 class BaseFeatureView(ABC):
     """A FeatureView defines a logical grouping of features to be served."""
 
+    created_timestamp: Optional[datetime]
+    last_updated_timestamp: Optional[datetime]
+
     @abstractmethod
     def __init__(self, name: str, features: List[Feature]):
         self._name = name
         self._features = features
         self._projection = FeatureViewProjection.from_definition(self)
         self.created_timestamp: Optional[datetime] = None
+        self.last_updated_timestamp: Optional[datetime] = None
 
     @property
     def name(self) -> str:

sdk/python/feast/feature_view.py

@@ -74,8 +74,7 @@ class FeatureView(BaseFeatureView):
     online: bool
     input: DataSource
     batch_source: DataSource
-    stream_source: Optional[DataSource] = None
-    last_updated_timestamp: Optional[datetime] = None
+    stream_source: Optional[DataSource]
     materialization_intervals: List[Tuple[datetime, datetime]]
 
     @log_exceptions
@@ -136,9 +135,6 @@ def __init__(
 
         self.materialization_intervals = []
 
-        self.created_timestamp: Optional[datetime] = None
-        self.last_updated_timestamp: Optional[datetime] = None
-
     # Note: Python requires redefining hash in child classes that override __eq__
     def __hash__(self):
         return super().__hash__()

sdk/python/feast/on_demand_feature_view.py

@@ -119,6 +119,8 @@ def to_proto(self) -> OnDemandFeatureViewProto:
         meta = OnDemandFeatureViewMeta()
         if self.created_timestamp:
             meta.created_timestamp.FromDatetime(self.created_timestamp)
+        if self.last_updated_timestamp:
+            meta.last_updated_timestamp.FromDatetime(self.last_updated_timestamp)
         inputs = {}
         for input_ref, fv_projection in self.input_feature_view_projections.items():
             inputs[input_ref] = OnDemandInput(
@@ -194,6 +196,10 @@ def from_proto(cls, on_demand_feature_view_proto: OnDemandFeatureViewProto):
             on_demand_feature_view_obj.created_timestamp = (
                 on_demand_feature_view_proto.meta.created_timestamp.ToDatetime()
             )
+        if on_demand_feature_view_proto.meta.HasField("last_updated_timestamp"):
+            on_demand_feature_view_obj.last_updated_timestamp = (
+                on_demand_feature_view_proto.meta.last_updated_timestamp.ToDatetime()
+            )
 
         return on_demand_feature_view_obj
 

sdk/python/feast/registry.py

@@ -231,6 +231,12 @@ def apply_entity(self, entity: Entity, project: str, commit: bool = True):
             commit: Whether the change should be persisted immediately
         """
         entity.is_valid()
+
+        now = datetime.utcnow()
+        if not entity.created_timestamp:
+            entity._created_timestamp = now
+        entity._last_updated_timestamp = now
+
         entity_proto = entity.to_proto()
         entity_proto.spec.project = project
         self._prepare_registry_for_changes()
@@ -278,6 +284,11 @@ def apply_feature_service(
             feature_service: A feature service that will be registered
             project: Feast project that this entity belongs to
         """
+        now = datetime.utcnow()
+        if not feature_service.created_timestamp:
+            feature_service.created_timestamp = now
+        feature_service.last_updated_timestamp = now
+
         feature_service_proto = feature_service.to_proto()
         feature_service_proto.spec.project = project
 
@@ -373,8 +384,12 @@ def apply_feature_view(
             commit: Whether the change should be persisted immediately
         """
         feature_view.ensure_valid()
+
+        now = datetime.utcnow()
         if not feature_view.created_timestamp:
-            feature_view.created_timestamp = datetime.utcnow()
+            feature_view.created_timestamp = now
+        feature_view.last_updated_timestamp = now
+
         feature_view_proto = feature_view.to_proto()
         feature_view_proto.spec.project = project
         self._prepare_registry_for_changes()
@@ -498,6 +513,7 @@ def apply_materialization(
                 existing_feature_view.materialization_intervals.append(
                     (start_date, end_date)
                 )
+                existing_feature_view.last_updated_timestamp = datetime.utcnow()
                 feature_view_proto = existing_feature_view.to_proto()
                 feature_view_proto.spec.project = project
                 del self.cached_registry_proto.feature_views[idx]
@@ -686,6 +702,11 @@ def apply_saved_dataset(
             project: Feast project that this dataset belongs to
             commit: Whether the change should be persisted immediately
         """
+        now = datetime.utcnow()
+        if not saved_dataset.created_timestamp:
+            saved_dataset.created_timestamp = now
+        saved_dataset.last_updated_timestamp = now
+
         saved_dataset_proto = saved_dataset.to_proto()
         saved_dataset_proto.spec.project = project
         self._prepare_registry_for_changes()