from src import db class Receipt(db.Model): id = db.Column(db.BigInteger, primary_key=True, autoincrement=True) date = db.Column(db.Date, nullable=False) bonid = db.Column(db.Numeric(precision=24, scale=0), unique=True) from_user = db.Column(db.ForeignKey("login_token.token"), server_onupdate=db.FetchedValue()) registered = db.Column(db.Boolean, nullable=False, server_default=str(False)) ReceiptItem = db.relationship( "ReceiptItem", backref='Receipt', lazy='dynamic') def __repr__(self) -> str: return f""