37ccf7811576_add_cln_notification.py 文件源码

def downgrade():
    bind = op.get_bind()
    session = Session(bind=bind)
    session._model_changes = False  # workaround for Flask-SQLAlchemy
    m = session.query(Notification).filter_by(message='CLN_NOTIFICATION').first()
    if m is not None:
        session.delete(m)
    session.commit()