Method extend

lib/sqlalchemy/ext/associationproxy.py:1573–1575

(self, values: Iterable[_T])

        return count

    def extend(self, values: Iterable[_T]) -> None:
        for v in values:
            self.append(v)

    def insert(self, index: int, value: _T) -> None:
        self.col[index:index] = [self._create(value)]