Method traverse_single

lib/sqlalchemy/sql/visitors.py:657–661

(self, obj: Visitable, **kw: Any)

    _next: Optional[ExternalTraversal]

    def traverse_single(self, obj: Visitable, **kw: Any) -> Any:
        for v in self.visitor_iterator:
            meth = getattr(v, "visit_%s" % obj.__visit_name__, None)
            if meth:
                return meth(obj, **kw)

    def iterate(
        self, obj: Optional[ExternallyTraversible]