public function countModelsWithoutLimit()
    {
        if (!$this->isFetched) {
            $this->fetch();
        }

        // no pagination, we have to manually count number of model
        if (!$this->_usePagination) {
            $this->_paginationFoundModels = $this->queryFoundModels();
        }

        return $this->_paginationFoundModels;
    }