Khrol commented on a change in pull request #6638: [AIRFLOW-6043] Update dag
reference to all tasks in sub_dag
URL: https://github.com/apache/airflow/pull/6638#discussion_r352577332
##########
File path: tests/models/test_dag.py
##########
@@ -968,3 +968,14 @@ def
test_duplicate_task_ids_for_same_task_is_allowed(self):
self.assertEqual(t1, t2)
self.assertEqual(dag.task_dict, {t1.task_id: t1, t3.task_id: t3})
self.assertEqual(dag.task_dict, {t2.task_id: t2, t3.task_id: t3})
+
+ def test_sub_dag_updates_all_references_while_deepcopy(self):
+ with DAG("test_dag", start_date=DEFAULT_DATE) as dag:
+ t1 = DummyOperator(task_id='t1')
+ t2 = DummyOperator(task_id='t2')
+ t3 = DummyOperator(task_id='t3')
+ t1 >> t2
+ t2 >> t3
+
+ sub_dag = dag.sub_dag('t2', include_upstream=True,
include_downstream=False)
Review comment:
https://youtu.be/hNzwsutZX1E
This is very useful for big DAGs.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to 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
