Class A

test/orm/test_deferred.py:2594–2599

        Base = cls.DeclarativeBasic

        class A(ComparableEntity, Base):
            __tablename__ = "a"
            id = Column(Integer, primary_key=True)
            x = Column(Integer)
            y = deferred(Column(Integer))
            z = deferred(Column(Integer), raiseload=True)

    @classmethod
    def insert_data(cls, connection):