potiuk commented on code in PR #39745:
URL: https://github.com/apache/airflow/pull/39745#discussion_r1615204620
##########
airflow/models/taskinstance.py:
##########
@@ -3476,8 +3476,13 @@ def _schedule_downstream_tasks(
run_id=ti.run_id,
),
session=session,
- nowait=True,
- ).one()
+ skip_locked=True,
+ ).one_or_none()
+
+ if not dag_run:
+ cls.logger().info("Skip locked rows, rollback")
+ session.rollback()
Review Comment:
The "schedule_downstream_tasks" is only executed in a new session, so
rollback is safe here, just in case.
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