[jira] [Created] (AIRFLOW-6524) Make trigger_dag & clear CLIs throw an error if 'shape' of dag has changed since prior dagrun

["t oo (Jira)" <ji...@apache.org>]

t oo created AIRFLOW-6524:
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             Summary: Make trigger_dag & clear CLIs throw an error if 'shape' of dag has changed since prior dagrun
                 Key: AIRFLOW-6524
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-6524
             Project: Apache Airflow
          Issue Type: Improvement
          Components: cli, scheduler
    Affects Versions: 1.10.7
            Reporter: t oo


if DagA had 20 tasks on first exec_date but then DagA code was changed and had a different 15 or 25 tasks on second exec_date the scheduler will never run it. The CLI's for trigger_dag & clear should throw error right away to make it clear early that the Dagrun will never succeed.



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