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feat: Add Field class #2500

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Merged
feast-ci-bot merged 3 commits into from
Apr 6, 2022
Merged

feat: Add Field class #2500

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0104782
Add Field class
felixwang9817 Apr 5, 2022
c59291b
Add __hash__
felixwang9817 Apr 6, 2022
995780a
Fix __hash__
felixwang9817 Apr 6, 2022
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Add __hash__ 
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
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@felixwang9817
felixwang9817 committed Apr 6, 2022
commit c59291b7d4ca7ff4fc5f73d28c42bb784c8211a1
14 changes: 14 additions & 0 deletions sdk/python/feast/field.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.

from feast.feature import Feature
from feast.protos.feast.core.Feature_pb2 import FeatureSpecV2 as FieldProto
from feast.types import FeastType, from_value_type

Expand Down Expand Up @@ -45,6 +46,9 @@ def __eq__(self, other):
if self.name != other.name or self.dtype != other.dtype:
return False
return True

def __hash__(self):
return hash((id(self), self.name))

def __lt__(self, other):
return self.name < other.name
Expand All @@ -68,3 +72,13 @@ def from_proto(cls, field_proto: FieldProto):
field_proto: FieldProto protobuf object
"""
return cls(name=field_proto.name, dtype=from_value_type(field_proto.value_type))

@classmethod
def from_feature(cls, feature: Feature):
"""
Creates a Field object from a Feature object.

Args:
feature: Feature object to convert.
"""
return cls(name=feature.name, dtype=from_value_type(feature.dtype.value))