[GitHub] [airflow] clacke commented on issue #5498: [AIRFLOW-4509] SubDagOperator using scheduler instead of backfill

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clacke commented on issue #5498: [AIRFLOW-4509] SubDagOperator using scheduler instead of backfill
URL: https://github.com/apache/airflow/pull/5498#issuecomment-530738432
 
 
   How is this feature intended to work?
   
   I'm finding that if I leave our sub-DAGs paused (as they were with the old style SubDagOperator), they never run, even when SubDagOperator does `run()` on them.
   
   If I unpause our sub-DAGs, they get scheduled whenever they like, disregarding whether the main flow has reached the SubDagOperator or not. With this change it seems that sub-DAGs are just free-floating DAGs that happen to not be visible at top level.
   
   As master and the release branches have diverged in terms of database migrations, I have cherry-picked this PR on top of 1.10.5. Are there other PRs on master I need as well in order for it to work correctly?

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