Class Parent

examples/versioned_rows/versioned_rows_w_versionid.py:118–129

class Parent(Base):
    __tablename__ = "parent"
    id = Column(Integer, primary_key=True)
    child_id = Column(Integer)
    child_version_id = Column(Integer)
    child = relationship("Child", backref=backref("parent", uselist=False))

    __table_args__ = (
        ForeignKeyConstraint(
            ["child_id", "child_version_id"], ["child.id", "child.version_id"]
        ),
    )


class Child(Versioned, Base):