from sqlalchemy import Column, Integer, ForeignKey from sqlalchemy.orm import relationship from app.domain.models import Base class MailingOption(Base): __tablename__ = 'mailing_options' id = Column(Integer, primary_key=True, autoincrement=True) option_id = Column(Integer, ForeignKey('patients.id'), nullable=False) mailing_id = Column(Integer, ForeignKey('mailing.id'), nullable=False) option = relationship('Patient', back_populates='mailing') mailing = relationship('Mailing', back_populates='mailing_options')