(cls, collection_id)
| 102 | |
| 103 | @classmethod |
| 104 | def delete_by_collection(cls, collection_id): |
| 105 | pq = db.session.query(cls) |
| 106 | pq = pq.filter(cls.collection_id == collection_id) |
| 107 | pq.delete(synchronize_session=False) |
| 108 | |
| 109 | @classmethod |
| 110 | def save( |