{"blog_title":"patorash\u306e\u30d6\u30ed\u30b0","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpatorash.hatenablog.com%2Fentry%2F2020%2F03%2F27%2F110603\" title=\"Rails\u3067Model\u3068DB\u306e\u5236\u7d04\u306e\u691c\u8a3c\u3092\u3059\u308b\u3068\u304d\u306e\u65b9\u91dd\u306b\u3064\u3044\u3066 - patorash\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>","author_name":"patorash","provider_url":"https://hatena.blog","title":"Rails\u3067Model\u3068DB\u306e\u5236\u7d04\u306e\u691c\u8a3c\u3092\u3059\u308b\u3068\u304d\u306e\u65b9\u91dd\u306b\u3064\u3044\u3066","height":"190","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/patorash/","published":"2020-03-27 11:06:03","description":"\u5f0a\u793e\u306e\u82e5\u8005\u306ePR\u3067\u30b3\u30e1\u30f3\u30c8\u3057\u305f\u3093\u3060\u3051\u308c\u3069\u3001\u3053\u308c\u306f\u666e\u901a\u306b\u8a18\u4e8b\u306b\u3067\u304d\u308b\u304b\u306a\u3068\u601d\u3063\u305f\u306e\u3067\u8ee2\u8f09\u3059\u308b\u3002 \u4e8b\u306e\u7d4c\u7def Model\u3067\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3 \u30e1\u30ea\u30c3\u30c8 \u30c7\u30e1\u30ea\u30c3\u30c8 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff08Unique\u5236\u7d04, Not Null\u5236\u7d04, Check\u5236\u7d04\u7b49\uff09 \u30e1\u30ea\u30c3\u30c8 \u30c7\u30e1\u30ea\u30c3\u30c8 \u30c6\u30b9\u30c8\u306e\u65b9\u6cd5 Model\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u691c\u8a3c DB\u306e\u5236\u7d04\u306e\u691c\u8a3c \u4e8b\u306e\u7d4c\u7def \u4fdd\u5b58\u3067\u304d\u306a\u3044\u3053\u3068\u306e\u691c\u8a3c\u306f\u308f\u3056\u308f\u3056update\u305b\u305a\u306bvalid?\u3067\u53d6\u308c\u308b\u304b\u3089\u305d\u3046\u3057\u3066\u307b\u3057\u3044\u3068\u4f1d\u3048\u305f\u3089\u3001\u4fdd\u5b58\u3067\u304d\u308b\u3053\u3068\u306e\u691c\u8a3c\u307e\u3067valid?\u3067\u6e08\u307e\u305b\u3088\u3046\u3068\u3057\u305f\u305f\u3081\u3001\u30b3\u30e1\u30f3\u30c8\u3057\u307e\u3057\u305f\u3002 \u4ee5\u4e0b\u3001\u30b3\u30e1\u30f3\u30c8\u3002 \u4fdd\u5b58\u3067\u304d\u308b\u3053\u3068\u3001\u66f4\u65b0\u3067\u304d\u308b\u3053\u3068\u306e\u30c6\u30b9\u30c8\u3092\u3059\u308b\u5834\u5408\u306f\u3061\u2026","blog_url":"https://patorash.hatenablog.com/","url":"https://patorash.hatenablog.com/entry/2020/03/27/110603","type":"rich","categories":["Ruby","Ruby on Rails"],"provider_name":"Hatena Blog"}