andrewgodwin commented on a change in pull request #15389:
URL: https://github.com/apache/airflow/pull/15389#discussion_r638347552
##########
File path: airflow/jobs/scheduler_job.py
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@@ -1899,3 +1910,17 @@ def adopt_or_reset_orphaned_tasks(self, session: Session
= None):
raise
return len(to_reset)
+
+ @provide_session
+ def check_trigger_timeouts(self, session: Session = None):
+ """
+ Looks at all tasks that are in the "deferred" state and whose trigger
+ timeout has passed, so they can be marked as failed.
+ """
+ timed_out_tasks = session.query(TaskInstance).filter(
+ TaskInstance.state == State.DEFERRED, TaskInstance.trigger_timeout
< timezone.utcnow()
+ )
+ num_tasks = timed_out_tasks.count()
Review comment:
What do you mean by `func.count`? Do you mean limiting the count query
to only be over a single column or something?
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