[GitHub] [airflow] kaxil edited a comment on issue #7216: [AIRFLOW-4540] Allow historic DAG runs to be rendered in the UI based on what the database says they did, not the current DAG structure

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kaxil edited a comment on issue #7216: [AIRFLOW-4540] Allow historic DAG runs to be rendered in the UI based on what the database says they did, not the current DAG structure
URL: https://github.com/apache/airflow/pull/7216#issuecomment-576237040
 
 
   Good work @lokeshlal . I was planning to handle it as a part of DAG Serialization where we would store previous X versions of the Serialized DAGs in the serialized_dag table. 
   
   That would help us in cases where tasks were added or removed in previous representations too. 
   
   This is explained briefly in https://cwiki.apache.org/confluence/display/AIRFLOW/AIP-24+DAG+Persistence+in+DB+using+JSON+for+Airflow+Webserver+and+%28optional%29+Scheduler
   
   and I will be adding more details soon once I am back in the UK from India.

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