test_asserts.py 文件源码

def User(Base):
    class User(Base):
        __tablename__ = 'user'
        id = sa.Column('_id', sa.Integer, primary_key=True)
        name = sa.Column('_name', sa.String(20))
        age = sa.Column('_age', sa.Integer, nullable=False)
        email = sa.Column(
            '_email', sa.String(200), nullable=False, unique=True
        )
        fav_numbers = sa.Column('_fav_numbers', ARRAY(sa.Integer))

        __table_args__ = (
            sa.CheckConstraint(sa.and_(age >= 0, age <= 150)),
            sa.CheckConstraint(
                sa.and_(
                    sa.func.array_length(fav_numbers, 1) <= 8
                )
            )
        )
    return User