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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/06/17 13:09:14 UTC

[GitHub] [airflow] afsalabdup commented on issue #9343: List of downstream tasks for a task

afsalabdup commented on issue #9343:
URL: https://github.com/apache/airflow/issues/9343#issuecomment-645362906


   Consider DAG which contains 4 tasks - Dummy1 > Dummy2 > Dummy3 > Dummy4 
   If I want to put a future instance task 'Dummy2' ON HOLD, we can mark that task to success through CLI by providing future execution id, but the issue is when I mark that task to success, downstream tasks (Dummy3 and Dummy4) will start running immediately because downstream will check if its upstream Dummy2 is success or not. I want to put all downstream tasks ON HOLD, means I need to mark all downstream tasks to success, so that Dummy2's downstreams won't trigger by itself. If we can include downstream tasks while marking Dummy2 to success, then we do not have to run 'mark success' commands individually for all downstream tasks.


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