Class Child

test/typing/plain_files/orm/mapped_covariant.py:56–62

class Child(Base):
    __tablename__ = "child"

    name: Mapped[str] = mapped_column(primary_key=True)
    parent_name: Mapped[str] = mapped_column(ForeignKey(Parent.name))

    parent: Mapped[Parent] = relationship()


assert get_parent_name(Child(parent=Parent(name="foo"))) == "foo"