I'm still having trouble getting an adjacency list relationship to
work within a child class (Department class in this example), and am
hoping someone might offer some insight:
class Node(Base):
__tablename__ = 'node'
id = Column(Integer, primary_key=True)
name = Column(String(100))
discriminator = Column('discriminator', String(50))
class Department(Node):
__tablename__ = 'department'
__mapper_args__ = {'polymorphic_identity': 'department'}
id = Column(Integer, ForeignKey('node.id'), primary_key=True)
description = Column(Text)
parent_department_id = Column(Integer,
ForeignKey('department.id'))
parent_department = relationship("Department",
backref=backref("subdepartments"),
remote_side=id)
Thanks,
Michael Naber
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