{"height":"190","url":"https://kamatimaru.hatenablog.com/entry/2026/01/03/223221","author_url":"https://blog.hatena.ne.jp/kamatimaru/","provider_url":"https://hatena.blog","description":"Rails\u3067ActiveRecord\u306efind_by\u306b\u30e2\u30c7\u30eb\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u3068id\u306b\u5909\u63db\u3055\u308c\u308b\u3068\u3044\u3046\u4ed5\u69d8\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u5b9f\u52d9\u306b\u5f79\u7acb\u3064\u3053\u3068\u306f\u3042\u307e\u308a\u306a\u3055\u305d\u3046\u3067\u3059\u304c\u3001\u9762\u767d\u304b\u3063\u305f\u306e\u3067\u30e1\u30e2\u3057\u3066\u304a\u304d\u307e\u3059\u3002 \u691c\u8a3c \u307e\u305a\u306f\u4efb\u610f\u306e\u30e2\u30c7\u30eb\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002 app(dev):004> o1 = Restaurant.find(1) Restaurant Load (36.1ms) SELECT \"restaurants\".* FROM \"restaurants\" WHERE \"restaurants\".\"id\" = 1 LIMIT 1 /*application='App'*/ => #<Resta\u2026","published":"2026-01-03 22:32:21","image_url":null,"type":"rich","blog_title":"delhi09\u306e\u52c9\u5f37\u65e5\u8a18","version":"1.0","author_name":"kamatimaru","categories":["Rails"],"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkamatimaru.hatenablog.com%2Fentry%2F2026%2F01%2F03%2F223221\" title=\"Rails\u3067ActiveRecord\u306efind_by\u306b\u30e2\u30c7\u30eb\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u3068id\u306b\u5909\u63db\u3055\u308c\u308b - delhi09\u306e\u52c9\u5f37\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://kamatimaru.hatenablog.com/","title":"Rails\u3067ActiveRecord\u306efind_by\u306b\u30e2\u30c7\u30eb\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u3068id\u306b\u5909\u63db\u3055\u308c\u308b","provider_name":"Hatena Blog"}