Taragolis commented on code in PR #35339:
URL: https://github.com/apache/airflow/pull/35339#discussion_r1379072906
##########
airflow/utils/cli.py:
##########
@@ -269,7 +269,7 @@ def get_dag_by_pickle(pickle_id: int, session: Session =
NEW_SESSION) -> DAG:
"""Fetch DAG from the database using pickling."""
from airflow.models import DagPickle
- dag_pickle = session.scalar(select(DagPickle).where(DagPickle.id ==
pickle_id)).first()
+ dag_pickle = session.scalar(select(DagPickle).where(DagPickle.id ==
pickle_id).limit(1))
Review Comment:
This could be run without binding session, that is a bigger benefit of "new"
SA API
```python
from sqlalchemy import select
from airflow.models import DagPickle
stmt = select(DagPickle).where(DagPickle.id == 42).limit(1)
print(stmt)
```
```console
SELECT dag_pickle.id, dag_pickle.pickle, dag_pickle.created_dttm,
dag_pickle.pickle_hash
FROM dag_pickle
WHERE dag_pickle.id = :id_1
LIMIT :param_1
```
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