Ryan Nowacoski created AIRFLOW-3336:
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Summary: Add ability for "skipped" state to be considered success
Key: AIRFLOW-3336
URL: https://issues.apache.org/jira/browse/AIRFLOW-3336
Project: Apache Airflow
Issue Type: Improvement
Components: DAG
Reporter: Ryan Nowacoski
Assignee: Ryan Nowacoski
Take the case where a task has 2 or more upstream parents and 1 or more of them
can skipped. If TriggerRule ALL_DONE is used then the task will trigger even
when upstream tasks fail. However if TriggerRule ALL_SUCCESS is used the task
won't be triggered if any upstream are skipped. This creates a gap in
functionality where it is necessary for "skipped" to be treated as "success" so
that the task only runs if all parents succeed or are skipped. Said another way
this allows tasks to be run if all ancestors do NOT fail.
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