blag commented on PR #26376:
URL: https://github.com/apache/airflow/pull/26376#issuecomment-1247151568

   My personal preference would be to pass around the `DatasetModel` and 
`DatasetEvent` objects directly, since that just seems cleaner to me. If/when 
we publicize more/all of the dataset manager methods that might also make it 
easier on plugin authors to implement those methods.
   
   At first glance it seems like it would be simpler to just add a foreign key 
to DDRQ that points to the dataset event row that caused it, but since we only 
really care about the timestamp on the DDRQ in the scheduler, we just store and 
use the dataset event timestamp (copied through to the DDRQ). Is that correct?


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