ephraimbuddy commented on a change in pull request #16182:
URL: https://github.com/apache/airflow/pull/16182#discussion_r649175016
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File path: airflow/models/dagbag.py
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@@ -166,6 +166,36 @@ def dag_ids(self) -> List[str]:
"""
return list(self.dags.keys())
+ @provide_session
+ def has_dag(self, dag_id: str, session: Session = None):
+ """
+ Checks the "local" cache, if it exists, and is not older than the
confiured cache time, return True
+ else check in the DB if the dag exists, return True, False otherwise
+ """
+ if dag_id in self.dags:
+ min_serialized_dag_fetch_secs =
timedelta(seconds=settings.MIN_SERIALIZED_DAG_FETCH_INTERVAL)
+ if dag_id in self.dags_last_fetched:
+
+ return timezone.utcnow() < self.dags_last_fetched[dag_id] +
min_serialized_dag_fetch_secs
Review comment:
How do you suggest I resolve this? My thinking was that once the dag
exists in cache, it'll still exist in dags_last_fetched?
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