ffinfo commented on a change in pull request #4396: [AIRFLOW-3585] - Add edges
to database
URL: https://github.com/apache/airflow/pull/4396#discussion_r257482340
##########
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])
+ e2 = set([(edge.from_task, edge.to_task) for edge in edges])
+ if e1 != e2:
+ same = False
+
+ if same:
+ # graph is not changed, keep last graph_id
+ graph_id = last_run.graph_id
+ elif last_run is None or last_run.graph_id is None:
+ # no graph known yet, beginning at 1
+ graph_id = 1
+ else:
+ # graph is changed
+ graph_id = last_run.graph_id + 1
+
+ for edge in edges:
+ edge.graph_id = graph_id
+
+ run.graph_id = graph_id
session.add(run)
+ for ti in tis:
+ session.merge(ti)
+ if not same:
+ for edge in edges:
+ session.merge(edge)
Review comment:
And finally all tests seems to work again :)
----------------------------------------------------------------
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:
[email protected]
With regards,
Apache Git Services
