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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2022/03/17 08:05:04 UTC

[GitHub] [airflow] uranusjr commented on pull request #22334: Add fk between xcom and task instance

uranusjr commented on pull request #22334:
URL: https://github.com/apache/airflow/pull/22334#issuecomment-1070513060


   Forgot to mention, we can do this directly because the prior `select` in the migration already filtered out all `xcom` rows without a matching `dag_run` row, and since `task_instance` already has a foreign key to `dag_run`, it is not possible to have dangling `xcom` rows when we add the fk constraint in the migration.


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