import datetime from sqlalchemy import Boolean, Column, Integer, String, ForeignKey, DateTime from sqlalchemy.orm import relationship, backref from db.base_class import Base from models.authority import Authority class Dashboard(Base): id = Column(Integer, primary_key=True, index=True) name = Column(String) user_id = Column(Integer, ForeignKey('user.id')) create_date = Column(DateTime, default=datetime.datetime.now()) # authority = relationship('Authority', backref="dashboard",cascade="all,delete-orphan") # authority = relationship('Authority', backref=backref("dashboard", lazy="joined"))