from sqlalchemy import desc from models import Notifikasi, Session session = Session() def hapus_notif(): lima = session.query(Notifikasi).order_by(desc(Notifikasi.id)).limit(5) aman = [] for item in lima: id = item.id aman.append(id) session.query(Notifikasi).filter(Notifikasi.id.not_in(aman)).delete( synchronize_session="fetch" ) session.commit() hapus_notif()