Method check_fk

lib/sqlalchemy/orm/relationships.py:2565–2568

(element: _CE, **kw: Any)

    def _annotate_from_fk_list(self) -> None:
        def check_fk(element: _CE, **kw: Any) -> Optional[_CE]:
            if element in self.consider_as_foreign_keys:
                return element._annotate({"foreign": True})
            return None

        self.primaryjoin = visitors.replacement_traverse(
            self.primaryjoin, {}, check_fk