{"author_url":"https://blog.hatena.ne.jp/aipacommander/","blog_url":"https://www.aipacommander.com/","type":"rich","title":"Rails\u306eassociation\u3067alias\u3092\u3064\u3051\u308b\u65b9\u6cd5\u3068FactoryBot\u306eassociation\u3067alias\u3092\u3064\u3051\u308b\u65b9\u6cd5","blog_title":"IT\u306e\u968a\u9577\u306e\u30d6\u30ed\u30b0","published":"2023-01-13 12:59:24","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.aipacommander.com%2Fentry%2F2023%2F01%2F13%2F125924\" title=\"Rails\u306eassociation\u3067alias\u3092\u3064\u3051\u308b\u65b9\u6cd5\u3068FactoryBot\u306eassociation\u3067alias\u3092\u3064\u3051\u308b\u65b9\u6cd5 - IT\u306e\u968a\u9577\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Rails"],"width":"100%","version":"1.0","url":"https://www.aipacommander.com/entry/2023/01/13/125924","provider_url":"https://hatena.blog","author_name":"aipacommander","image_url":null,"height":"190","description":"\u6982\u8981 \u30cf\u30de\u3063\u305f\u306e\u3067\u8abf\u3079\u305f\u30e1\u30e2 Rails qiita.com ~/app/models/user.rb ~/app/models/book.rb user:book\u306f 1:N \u3068\u3059\u308b user\u5074\u306fhas_many\u306b\u306a\u308b\u304c\u3001book\u5074\u306fbelongs_to\u306b\u306a\u308b\u3002 belongs_to :user, foreign_key: 'user_id' alias\u306b\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u3046 belongs_to :borrow_user, class_name: 'User', foreign_key: 'user_id' class_name \u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30e2\u30c7\u30eb\u540d\u3092\u6e21\u3057\u3066\u3042\u3052\u305f\u3089\u304a\uff4b \u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001a\u2026","provider_name":"Hatena Blog"}