| 1611 | related = relationship("Related", post_update=True) |
| 1612 | |
| 1613 | class Related(Base): |
| 1614 | __tablename__ = "related" |
| 1615 | |
| 1616 | id = mapped_column(Integer, primary_key=True) |
| 1617 | parent_id = mapped_column(ForeignKey("parent.id")) |
| 1618 | counter = mapped_column(Integer, onupdate=_counter) |
| 1619 | |
| 1620 | def test_update_counter(self, connection): |
| 1621 | Parent, Related = self.classes("Parent", "Related") |