private function enqueue($op, $table, array $dataSet)
    {
        foreach ($dataSet as $data) {
            if ($op === Operation::OP_DELETE) {
                $this->mutations[] = $this->operation->deleteMutation($table, $data);
            } else {
                $this->mutations[] = $this->operation->mutation($op, $table, $data);
            }
        }
    }