aoen commented on issue #4396: [AIRFLOW-3585] - Add edges to database URL: https://github.com/apache/airflow/pull/4396#issuecomment-469942061 Sorry Ash, missed your reply. Kevin is correct, we should extend SimpleDag to contain edge information and store the serialized representation of this in the DB. My feeling is we should also store entire serialized representations of DAGs (e.g. JSON5 or have some discussion to agree on format) rather than as columns in the DB, both for performance reasons to avoid n+1 queries when we use the SimpleDAG representations for the Scheduler and Webserver, unless there is a good reason not to do this.
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