[GitHub] [airflow] ashb commented on a change in pull request #6715: [AIRFLOW-5945] Make inbuilt OperatorLinks work when using Serialization

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ashb commented on a change in pull request #6715: [AIRFLOW-5945] Make inbuilt OperatorLinks work when using Serialization
URL: https://github.com/apache/airflow/pull/6715#discussion_r353107800
 
 

 ##########
 File path: airflow/contrib/operators/qubole_operator.py
 ##########
 @@ -240,3 +241,9 @@ def __setattr__(self, name, value):
             self.kwargs[name] = value
         else:
             object.__setattr__(self, name, value)
+
+    @classmethod
+    def get_serialized_fields(cls):
+        """Serialized QuboleOperator contain exactly these fields."""
+        cls._serialized_fields = frozenset(super().get_serialized_fields() | {"qubole_conn_id"})
 
 Review comment:
   To pull across the comments from the closed pr: this should have the `if not cls._serialized_fields` guard here, otherwise we re-calculate this each time it's called (not the end of the world, but still)

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