ffinfo commented on a change in pull request #4396: [AIRFLOW-3585] - Add edges to database URL: https://github.com/apache/airflow/pull/4396#discussion_r259609694
########## File path: airflow/models/__init__.py ########## @@ -4019,17 +4073,50 @@ def create_dagrun(self, conf=conf, state=state ) + + dag_model = DagModel.get_dagmodel(self.dag_id) + + tis = self.create_tis(execution_date) + # Setting graph_id temparary on -1, will set set later. + edges = self.create_edges(graph_id=-1) + + last_dagrun = dag_model.get_last_dagrun(include_externally_triggered=True) + if last_dagrun is None: + is_dag_unchanged = False + else: + last_edges = DagEdge.fetch_edges(self.dag_id, last_dagrun.graph_id) + + # Compare edges from last run + prev_edges = [(edge.task_from, edge.task_to) for edge in last_edges] + current_edges = [(edge.task_from, edge.task_to) for edge in edges] + is_dag_unchanged = len(current_edges) == len(prev_edges) + is_dag_unchanged &= set(current_edges) == set(prev_edges) Review comment: I do agree but changed this because of other comments, I will switch to your version ;) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services