ffinfo commented on a change in pull request #4396: [AIRFLOW-3585] - Add edges
to database
URL: https://github.com/apache/airflow/pull/4396#discussion_r257133588
##########
File path: airflow/models/__init__.py
##########
@@ -4012,17 +4088,55 @@ def create_dagrun(self,
conf=conf,
state=state
)
+
+ dag_model = DagModel.get_dagmodel(self.dag_id)
+
+ tis = self.create_tis(execution_date)
+ edges = self.create_edges(-1)
+
+ last_run = dag_model.get_last_dagrun(include_externally_triggered=True)
+ if last_run is None:
+ same = False
+ else:
+ last_edges = DagEdge.fetch_edges_db(self.dag_id, last_run.graph_id)
+
+ # Compare edges from last run
+ same = True
+ if len(last_edges) != len(edges):
+ same = False
+ else:
+ e1 = set([(edge.from_task, edge.to_task) for edge in
last_edges])
Review comment:
no that does not matter, so a set here is the easiest
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