{"description":"\u30e6\u30fc\u30b6\u30fc\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u5b9a\u7fa9\u3057\u305f\u30e2\u30c7\u30eb\u3092\u3064\u304f\u308a\u3001\u8907\u6570\u306e\u53c2\u7167\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u305f\u3002 dependent destroy\u3092\u8a2d\u5b9a\u3057\u3088\u3046\u3068\u3057\u3066\u8e93\u3044\u305f\u306e\u3067\u3001\u30e1\u30e2\u3002combination\u30e2\u30c7\u30eb\u3067\u306f\u3001user_id\u3068partner_id\u304cuser\u30e2\u30c7\u30eb\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u3059\u308b\u3002\u5f53\u521d\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8f09\u3057\u3066\u3044\u305f\u3002 user.rb has_many :combinations combination.rb belongs_to :user belongs_to :partner_user, class_name: 'User', foreign_key: \"partner_id\" \u3053\u3053\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u524a\u9664\u3055\u308c\u305f\u3089\u7d44\u307f\u5408\u308f\u305b\u3082\u2026","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fayaketan.hatenablog.com%2Fentry%2F2014%2F02%2F24%2F095734\" title=\"Rails4 1\u3064\u306e\u30e2\u30c7\u30eb\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u53c2\u7167\u304c\u3042\u308b\u5834\u5408\u306edependent destroy - ayaketan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\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>","url":"https://ayaketan.hatenablog.com/entry/2014/02/24/095734","height":"190","blog_title":"ayaketan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u52c9\u5f37\u65e5\u8a18","author_name":"ayaketan","categories":["Ruby"],"author_url":"https://blog.hatena.ne.jp/ayaketan/","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://ayaketan.hatenablog.com/","published":"2014-02-24 09:57:34","title":"Rails4 1\u3064\u306e\u30e2\u30c7\u30eb\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u53c2\u7167\u304c\u3042\u308b\u5834\u5408\u306edependent destroy","image_url":null,"type":"rich","version":"1.0"}