Method count

lib/sqlalchemy/orm/dynamic.py:195–205

(self)

            return self._generate(sess).__getitem__(index)

    def count(self) -> int:
        sess = self.session
        if sess is None:
            return len(
                self.attr._get_collection_history(
                    attributes.instance_state(self.instance),
                    PassiveFlag.PASSIVE_NO_INITIALIZE,
                ).added_items
            )
        else:
            return self._generate(sess).count()

    def _generate(
        self,