kaxil commented on a change in pull request #17565:
URL: https://github.com/apache/airflow/pull/17565#discussion_r688007747
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File path: airflow/jobs/triggerer_job.py
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@@ -66,6 +67,15 @@ def register_signals(self) -> None:
signal.signal(signal.SIGINT, self._exit_gracefully)
signal.signal(signal.SIGTERM, self._exit_gracefully)
+ @provide_session
+ def is_needed(self, session) -> bool:
+ """
+ Tests if the triggerer job needs to be run (i.e., if there are triggers
+ in the trigger table).
+ This is used for the warning boxes in the UI.
+ """
+ return session.query(Trigger).count() > 0
Review comment:
yeah
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