我可以在sqlalchemy中使用hybrid_property和joinedload吗？

Question

我有sqlalchemy模型：

class Equipment(Base):
    __tablename__ = 'equipment'
    id = Column(Integer, primary_key=True)
    ports = db.relationship('SnmpPort', passive_deletes=True, backref='Equipment')


class SnmpPort(Base):
    __tablename__ = 'snmp_ports'
    id = Column(Integer, primary_key=True)
    equipment = Column('equipment', Integer, ForeignKey('equipment.id'))

    @property
    def Link(self):
        if self.Link1 is not None:
            return self.Link1
        if self.Link2 is not None:
            return self.Link2
        return None

    @property
    def ToSnmpPort(self):
        if self.Link:
            if self.Link.portid1 == self.id:
                return self.Link.SnmpPort2
            else:
                return self.Link.SnmpPort1
        return None


class Link(Base):
    __tablename__ = 'link'

    id = Column(Integer, primary_key=True)
    portid1 = Column(Integer, ForeignKey('snmp_ports.id'))
    SnmpPort1 = relation('SnmpPort', foreign_keys=portid1,
                     backref=backref("Link1", uselist=False))
    portid2 = Column(Integer, ForeignKey('snmp_ports.id'))
    SnmpPort2 = relation('SnmpPort', foreign_keys=portid2,
                     backref=backref("Link2", uselist=False))
    active = Column(Boolean, default=True)

现在我必须写这样的查询：

equipment = Equipment.query\
    .options(joinedload_all(Equipment.ports, SnmpPort.Link1, Link.SnmpPort1))\
    .options(joinedload_all(Equipment.ports, SnmpPort.Link2, Link.SnmpPort1))\
    .options(joinedload_all(Equipment.ports, SnmpPort.Link2, Link.SnmpPort2))\
    .options(joinedload_all(Equipment.ports, SnmpPort.Link2, Link.SnmpPort1))\
    .get(3097)

for port in equipment.ports:
    print port.ToSnmpPort

当我想添加更多联接时，我必须添加四次，我可以避免吗？ 我可以使用hybrid_property来编写这样的查询：

equipment = Equipment.query\
    .options(joinedload_all(Equipment.ports, SnmpPort.Link, Link.SnmpPort1))\
    .options(joinedload_all(Equipment.ports, SnmpPort.Link, Link.SnmpPort2))\
    .get(3097)

是否可以使用短查询，如果使用Link.SnmpPort1 / 2做一些技巧，可以更短吗？