Fokko commented on issue #6210: [AIRFLOW-5567] BaseReschedulePokeOperator
URL: https://github.com/apache/airflow/pull/6210#issuecomment-558015671
 
 
   @dstandish Sorry for the late reply. I think having a second table or 
changing the existing xcom table is just an implementation detail. Having a 
state table will have a fundamental impact on the idempotency of the execution 
of the tasks.
   
   Why would the manual triggering of a dag introduce issues, the execution 
date will be equal to the moment that it was triggered. I think it should work 
as well.
   
   Since this will introduce such as a fundamental change to the way operators 
were intended, being idempotent, I think it would be great to first start an 
AIP on the topic, so we can have a clear an structured approach.

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