jpays commented on issue #10603:
URL: https://github.com/apache/airflow/issues/10603#issuecomment-683675894


   You mean using the "conf" attribute of the DagRun ?
   
   That would indeed be an option I suppose, but :
   
   * `conf` is stored as `PickleType`, which is good if you need to pass any 
kind of Python object to the DagRun, but not suitable at all for external use 
such as SQL Query
   * from my understanding,  `conf` should be considered as the input values 
for the DagRun, and as such should not be tampered with during dag execution. 
Of course you can do it but input values should probably be immutable and that 
kind of metadata would be better off stored another place.
   


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