o-nikolas commented on code in PR #38054:
URL: https://github.com/apache/airflow/pull/38054#discussion_r1525311303


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airflow/models/abstractoperator.py:
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@@ -58,6 +58,8 @@
 DEFAULT_OWNER: str = conf.get_mandatory_value("operators", "default_owner")
 DEFAULT_POOL_SLOTS: int = 1
 DEFAULT_PRIORITY_WEIGHT: int = 1
+# TODO: Is None the right thing here? We want NULL essentially

Review Comment:
   Good question, it's covered in more detail in the AIP (I wish I could hyper 
link to one specific section or comment...) but essentially NULL, means that no 
specific executor was requested for the task. In those cases we fall back to 
the historical/default behaviour of Airflow, which is to use whatever the 
currently configured environment level executor is, which may change at any 
time (if the user decides to switch it). 



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