from sqlalchemy import Column, Integer, DateTime, ForeignKey from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import relationship base = declarative_base() class Order(base): __tablename__ = 'orders' id = Column(Integer, primary_key=True, autoincrement=True) order_datetime = Column(DateTime, nullable=False) user_id = Column(Integer, ForeignKey('users.id')) status_id = Column(Integer, ForeignKey('statuses.id')) user = relationship('User', back_populates='orders') status = relationship('Status', back_populates='orders')