{"author_name":"babiy3104","author_url":"https://blog.hatena.ne.jp/babiy3104/","width":"100%","blog_title":"\u305d\u3046\u3044\u3046\u3053\u3068\u3060\u3063\u305f\u3093\u3067\u3059\u306d","image_url":null,"published":"2014-03-02 15:51:12","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbabiy3104.hateblo.jp%2Fentry%2F2014%2F03%2F02%2F155112\" title=\"rails - ActiveRecord \u306e \u30b3\u30fc\u30eb\u30d0\u30c3\u30af - \u305d\u3046\u3044\u3046\u3053\u3068\u3060\u3063\u305f\u3093\u3067\u3059\u306d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","url":"https://babiy3104.hateblo.jp/entry/2014/03/02/155112","blog_url":"https://babiy3104.hateblo.jp/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"rails - ActiveRecord \u306e \u30b3\u30fc\u30eb\u30d0\u30c3\u30af","description":"\u57fa\u672c \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u30fb\u66f4\u65b0\u30fb\u524a\u9664\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9 \u30c8\u30ea\u30ac\u3068\u306a\u308b\u30a4\u30d9\u30f3\u30c8(validation,save\u306a\u3069)\u306e\u524d(before)\u3068\u5f8c(after)\u306b\u767b\u9332\u53ef\u80fd \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u30e1\u30bd\u30c3\u30c9\u30c1\u30a7\u30fc\u30f3\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3002 before_xxx \u3067 false \u3092\u8fd4\u3059\u304b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\u3068\u3001\u305d\u308c\u4ee5\u964d\u306e\u51e6\u7406\u3092\u505c\u6b62\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b (\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e2d\u306e\u5834\u5408\u306f ROLLBACK \u3092\u767a\u751f\u3055\u305b\u308b) \u4f7f\u3044\u65b9 before_xxxx/after_xxxx \u30e1\u30bd\u30c3\u30c9\u3067\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3068\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u767b\u9332 \u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b \u4f8b class Blog < ActiveRecord::Base after_sa\u2026","type":"rich","categories":["Rails","Ruby"],"height":"190"}