add timezone to type definition

Signed-off-by: pyalex <[email protected]>

Author: pyalex

sdk/python/feast/embedded_go/type_map.py

@@ -1,10 +1,13 @@
 from typing import List
 
 import pyarrow as pa
+import pytz
 
 from feast.protos.feast.types import Value_pb2
 from feast.types import Array, PrimitiveFeastType
 
+PA_TIMESTAMP_TYPE = pa.timestamp("s", tz=pytz.UTC)
+
 ARROW_TYPE_TO_PROTO_FIELD = {
     pa.int32(): "int32_val",
     pa.int64(): "int64_val",
@@ -13,7 +16,7 @@
     pa.bool_(): "bool_val",
     pa.string(): "string_val",
     pa.binary(): "bytes_val",
-    pa.timestamp("s"): "unix_timestamp_val",
+    PA_TIMESTAMP_TYPE: "unix_timestamp_val",
 }
 
 ARROW_LIST_TYPE_TO_PROTO_FIELD = {
@@ -24,7 +27,7 @@
     pa.bool_(): "bool_list_val",
     pa.string(): "string_list_val",
     pa.binary(): "bytes_list_val",
-    pa.timestamp("s"): "unix_timestamp_list_val",
+    PA_TIMESTAMP_TYPE: "unix_timestamp_list_val",
 }
 
 ARROW_LIST_TYPE_TO_PROTO_LIST_CLASS = {
@@ -35,7 +38,7 @@
     pa.bool_(): Value_pb2.BoolList,
     pa.string(): Value_pb2.StringList,
     pa.binary(): Value_pb2.BytesList,
-    pa.timestamp("s"): Value_pb2.Int64List,
+    PA_TIMESTAMP_TYPE: Value_pb2.Int64List,
 }
 
 FEAST_TYPE_TO_ARROW_TYPE = {
@@ -66,7 +69,7 @@ def arrow_array_to_array_of_proto(
         proto_list_class = ARROW_LIST_TYPE_TO_PROTO_LIST_CLASS[arrow_type.value_type]
         proto_field_name = ARROW_LIST_TYPE_TO_PROTO_FIELD[arrow_type.value_type]
 
-        if arrow_type.value_type == pa.timestamp("s"):
+        if arrow_type.value_type == PA_TIMESTAMP_TYPE:
             arrow_array = arrow_array.cast(pa.list_(pa.int64()))
 
         for v in arrow_array.tolist():
@@ -76,7 +79,7 @@ def arrow_array_to_array_of_proto(
     else:
         proto_field_name = ARROW_TYPE_TO_PROTO_FIELD[arrow_type]
 
-        if arrow_type == pa.timestamp("s"):
+        if arrow_type == PA_TIMESTAMP_TYPE:
             arrow_array = arrow_array.cast(pa.int64())
 
         for v in arrow_array.tolist():