yuqian90 commented on issue #7038: [AIRFLOW-4495] allow externally triggered dags to run for future exec dates URL: https://github.com/apache/airflow/pull/7038#issuecomment-570979008 > I don't think we should allow this. This will create a problem for the following case: > > DAG is scheduled to run every day at 5 PM > > 1. Dag is triggered for a future date (ex: 10 Jan 2020 17:00:00) and succeeds > 2. 10 Jan arrives, Scheduler tries to run it but fails because it violates unique key constraint Hi, @kaxil. Thanks for pointing out. I agree with @tooptoop4 that his change is only meant for DAGs with `schedule_interval` equal to None, i.e. those that are triggered externally using the CLI or other means. The ones scheduled by Airflow should not be affected.
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