https://qiita.com/gragragrao/items/373057783ba8856124f3
直接SQLを実行する https://intellectual-curiosity.tokyo/2018/12/12/django%E3%81%A7%E7%B4%A0%E3%81%AEsql%E3%82%92%E5%AE%9F%E8%A1%8C%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95/