[GitHub] [airflow] potiuk edited a comment on issue #6987: [AIRFLOW-6416] Remove DB provide_session and sort by conn_id

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potiuk edited a comment on issue #6987: [AIRFLOW-6416] Remove DB provide_session and sort by conn_id
URL: https://github.com/apache/airflow/pull/6987#issuecomment-570042926
 
 
   > And we could not remove @provide_session in function `merge_conn` due to some unittest use it to create temp connections, do we? @potiuk
   
   The  @provide_session decorator (and merge_conn uses it) follow exactly the pattern of session/transaction passing. It's there to handle the case that a session is created once, transaction starts, and you reuse the session do everything in the same DB transaction. So it is really needed :)

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