fix: Update field api to add tag parameter corresponding to labels in Feature.

java/serving/src/test/java/feast/serving/util/DataGenerator.java

@@ -126,11 +126,11 @@ public static EntityProto.EntitySpecV2 createEntitySpecV2(
   }
 
   public static FeatureProto.FeatureSpecV2 createFeatureSpecV2(
-      String name, ValueProto.ValueType.Enum valueType, Map<String, String> labels) {
+      String name, ValueProto.ValueType.Enum valueType, Map<String, String> tags) {
     return FeatureProto.FeatureSpecV2.newBuilder()
         .setName(name)
         .setValueType(valueType)
-        .putAllLabels(labels)
+        .putAllTags(tags)
         .build();
   }
 
@@ -140,7 +140,7 @@ public static FeatureTableSpec createFeatureTableSpec(
       List<String> entities,
       Map<String, ValueProto.ValueType.Enum> features,
       int maxAgeSecs,
-      Map<String, String> labels) {
+      Map<String, String> tags) {
 
     return FeatureTableSpec.newBuilder()
         .setName(name)
@@ -152,7 +152,7 @@ public static FeatureTableSpec createFeatureTableSpec(
                         FeatureSpecV2.newBuilder()
                             .setName(entry.getKey())
                             .setValueType(entry.getValue())
-                            .putAllLabels(labels)
+                            .putAllTags(tags)
                             .build())
                 .collect(Collectors.toList()))
         .setMaxAge(Duration.newBuilder().setSeconds(3600).build())
@@ -169,7 +169,7 @@ public static FeatureTableSpec createFeatureTableSpec(
                         .setUri("/dev/null")
                         .build())
                 .build())
-        .putAllLabels(labels)
+        .putAllLabels(tags)
         .build();
   }
 
@@ -178,7 +178,7 @@ public static FeatureTableSpec createFeatureTableSpec(
       List<String> entities,
       ImmutableMap<String, ValueProto.ValueType.Enum> features,
       int maxAgeSecs,
-      Map<String, String> labels) {
+      Map<String, String> tags) {
 
     return FeatureTableSpec.newBuilder()
         .setName(name)
@@ -190,11 +190,11 @@ public static FeatureTableSpec createFeatureTableSpec(
                         FeatureSpecV2.newBuilder()
                             .setName(entry.getKey())
                             .setValueType(entry.getValue())
-                            .putAllLabels(labels)
+                            .putAllTags(tags)
                             .build())
                 .collect(Collectors.toList()))
         .setMaxAge(Duration.newBuilder().setSeconds(maxAgeSecs).build())
-        .putAllLabels(labels)
+        .putAllLabels(tags)
         .build();
   }
 

protos/feast/core/Feature.proto

@@ -31,6 +31,6 @@ message FeatureSpecV2 {
     // Value type of the feature. Not updatable.
     feast.types.ValueType.Enum value_type = 2;
 
-    // Labels for user defined metadata on a feature
-    map<string,string> labels = 3;
+    // Tags for user defined metadata on a feature
+    map<string,string> tags = 3;
 }

sdk/python/feast/feature.py

@@ -91,7 +91,7 @@ def to_proto(self) -> FeatureSpecProto:
         value_type = ValueTypeProto.Enum.Value(self.dtype.name)
 
         return FeatureSpecProto(
-            name=self.name, value_type=value_type, labels=self.labels,
+            name=self.name, value_type=value_type, tags=self.labels,
         )
 
     @classmethod
@@ -106,7 +106,7 @@ def from_proto(cls, feature_proto: FeatureSpecProto):
         feature = cls(
             name=feature_proto.name,
             dtype=ValueType(feature_proto.value_type),
-            labels=dict(feature_proto.labels),
+            labels=dict(feature_proto.tags),
         )
 
         return feature

sdk/python/feast/field.py

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from typing import Dict, Optional
+
 from feast.feature import Feature
 from feast.protos.feast.core.Feature_pb2 import FeatureSpecV2 as FieldProto
 from feast.types import FeastType, from_value_type
@@ -25,26 +27,34 @@ class Field:
     Attributes:
         name: The name of the field.
         dtype: The type of the field, such as string or float.
+        tags: User-defined metadata in dictionary form.
     """
 
     name: str
     dtype: FeastType
+    tags: Dict[str, str]
 
     def __init__(
-        self, *, name: str, dtype: FeastType,
+        self, *, name: str, dtype: FeastType, tags: Optional[Dict[str, str]] = None,
     ):
         """
         Creates a Field object.
 
         Args:
             name: The name of the field.
             dtype: The type of the field, such as string or float.
+            tags (optional): User-defined metadata in dictionary form.
         """
         self.name = name
         self.dtype = dtype
+        self.tags = tags or {}
 
     def __eq__(self, other):
-        if self.name != other.name or self.dtype != other.dtype:
+        if (
+            self.name != other.name
+            or self.dtype != other.dtype
+            or self.tags != other.tags
+        ):
             return False
         return True
 
@@ -58,12 +68,12 @@ def __repr__(self):
         return f"{self.name}-{self.dtype}"
 
     def __str__(self):
-        return f"Field(name={self.name}, dtype={self.dtype})"
+        return f"Field(name={self.name}, dtype={self.dtype}, tags={self.tags})"
 
     def to_proto(self) -> FieldProto:
         """Converts a Field object to its protobuf representation."""
         value_type = self.dtype.to_value_type()
-        return FieldProto(name=self.name, value_type=value_type.value)
+        return FieldProto(name=self.name, value_type=value_type.value, tags=self.tags)
 
     @classmethod
     def from_proto(cls, field_proto: FieldProto):
@@ -74,7 +84,11 @@ def from_proto(cls, field_proto: FieldProto):
             field_proto: FieldProto protobuf object
         """
         value_type = ValueType(field_proto.value_type)
-        return cls(name=field_proto.name, dtype=from_value_type(value_type=value_type))
+        return cls(
+            name=field_proto.name,
+            dtype=from_value_type(value_type=value_type),
+            tags=dict(field_proto.tags),
+        )
 
     @classmethod
     def from_feature(cls, feature: Feature):
@@ -84,4 +98,6 @@ def from_feature(cls, feature: Feature):
         Args:
             feature: Feature object to convert.
         """
-        return cls(name=feature.name, dtype=from_value_type(feature.dtype))
+        return cls(
+            name=feature.name, dtype=from_value_type(feature.dtype), tags=feature.labels
+        )