ueshin commented on code in PR #52321:
URL: https://github.com/apache/spark/pull/52321#discussion_r2345630820


##########
python/pyspark/sql/connect/expressions.py:
##########
@@ -436,11 +442,48 @@ def _to_value(
             assert dataType is None or isinstance(dataType, 
DayTimeIntervalType)
             return 
DayTimeIntervalType().fromInternal(literal.day_time_interval)
         elif literal.HasField("array"):
-            elementType = 
proto_schema_to_pyspark_data_type(literal.array.element_type)
+            if literal.array.HasField("data_type"):

Review Comment:
   For example of `Array`, `data_type` was added and `element_type` was 
deprecated.
   
   
https://github.com/apache/spark/blob/master/sql/connect/common/src/main/protobuf/spark/connect/expressions.proto#L227-L244
   
   but the creator of the message may follow it or may not, so this should be 
able to handle both cases.
   
   Same for `Map` and `Struct`.



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