dstandish commented on issue #6370: AIRFLOW-5701: Don't clear xcom explicitly before execution URL: https://github.com/apache/airflow/pull/6370#issuecomment-547293108 Other ideas: * Let the writer of operator decide how to handle clearing of XCom by calling `clear_xcom_data` when appropriate for the task. * To maintain status quo behavior and allow `not` clearing, `clear_xcom_data` could simply be moved to pre_execute. Then to disable clearing at start, overwrite pre_execute. * Or just add operator init param `clear_xcom_at_start`
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