kaxil commented on code in PR #28481:
URL: https://github.com/apache/airflow/pull/28481#discussion_r1054918242
##########
airflow/models/dagwarning.py:
##########
@@ -79,7 +83,12 @@ def purge_inactive_dag_warnings(cls, session: Session =
NEW_SESSION) -> None:
query = session.query(cls).filter(cls.dag_id.in_(dag_ids))
else:
query = session.query(cls).filter(cls.dag_id == DagModel.dag_id,
DagModel.is_active == false())
- query.delete(synchronize_session=False)
+ try:
+ query.delete(synchronize_session=False)
+ except OperationalError:
+ # If the purge query fails, it's not critical to the dag processor
+ # We ignore it so the dag processor manager doesn't exit
+ log.error("Failed to purge inactive dag_warnings, ignoring")
Review Comment:
You can instead re-try the transaction
https://github.com/apache/airflow/blob/23264fb820c179e9951ea9706f68b13a9b3fdbc0/airflow/utils/retries.py#L49
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