ashb commented on a change in pull request #4863: [AIRFLOW-3841] Remove DagBag
from /tree
URL: https://github.com/apache/airflow/pull/4863#discussion_r263332762
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File path: airflow/www/views.py
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@@ -1185,16 +1186,16 @@ def tree(self, session=None):
else:
base_date = dag.latest_execution_date or timezone.utcnow()
- DR = models.DagRun
- dag_runs = (
- session.query(DR)
- .filter(
- DR.dag_id == dag.dag_id,
- DR.execution_date <= base_date)
- .order_by(DR.execution_date.desc())
- .limit(num_runs)
- .all()
- )
+ with create_session() as session:
Review comment:
We've already got a `session` object in scope here.
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