ashb commented on a change in pull request #9851:
URL: https://github.com/apache/airflow/pull/9851#discussion_r456324355
##########
File path: airflow/models/serialized_dag.py
##########
@@ -212,3 +228,18 @@ def bulk_sync_to_db(dags: List[DAG], session=None):
min_update_interval=MIN_SERIALIZED_DAG_UPDATE_INTERVAL,
session=session
)
+
+ @classmethod
+ @provide_session
+ def get_last_updated_date(cls, dag_id: str, session: Session = None) ->
datetime:
+ """
+ Get the date when the Serialized DAG associated to DAG was last updated
+ in serialized_dag table
+
+ :param dag_id: DAG ID
+ :type dag_id: str
+ :param session: ORM Session
+ :type session: Session
+ """
+ result = session.query(cls.last_updated).filter(cls.dag_id ==
dag_id).one()
+ return result.last_updated
Review comment:
```suggestion
return session.query(cls.last_updated).filter(cls.dag_id ==
dag_id).scalar()
```
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