21 lines
716 B
Python
21 lines
716 B
Python
from sqlalchemy import Column, Integer, ForeignKey
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from sqlalchemy.orm import relationship, foreign, remote
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from crudkit.core.base import CRUDMixin
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from muck.models.dbref import Dbref, ObjectType
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class Thing(Dbref):
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__tablename__ = "things"
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id = Column(Integer, ForeignKey("dbref.id"), primary_key=True)
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value = Column(Integer, nullable=False, default=0)
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home_id = Column(Integer, ForeignKey("dbref.id"), nullable=True)
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home = relationship("Dbref", remote_side=[CRUDMixin.id], foreign_keys=[home_id], primaryjoin=lambda: foreign(Thing.home_id) == remote(Dbref.id))
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__mapper_args__ = {
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"polymorphic_identity": ObjectType.THING,
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"inherit_condition": id == Dbref.id
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}
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