import datetime from sqlalchemy import Boolean, Column, Integer, String, ForeignKey, DateTime from sqlalchemy.orm import relationship, backref from db.base_class import Base class Space(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="space", cascade="all, delete") # dashboard = relationship('Dashboard', backref=backref("space", lazy="joined")) # folder = relationship('Folder', backref=backref("space", lazy="joined"))