{"type":"rich","author_name":"ayaketan","categories":["Ruby"],"description":"\u4ee5\u524d\u3001ActiveRecord\u3067or\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u304c\u3001\u3082\u3063\u3068\u7c21\u5358\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3057\u305f\u3002 Rails4 ActiveRecord\u3067or\u3092\u4f7f\u7528\u3059\u308b - ayaketan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u52c9\u5f37\u65e5\u8a18 \u30e6\u30fc\u30b6\u30fc\u304c\u6240\u5c5e\u30923\u3064\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3057\u307e\u3059\u3002 \u3042\u308b\u6240\u5c5e\u306b\u5c5e\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u62bd\u51fa\u3059\u308b\u306b\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002 department1_id = User.arel_table[:department1_id] department2_id = User.arel_table[:department2_id] department3_id = User.arel_table[:departme\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fayaketan.hatenablog.com%2Fentry%2F2014%2F06%2F23%2F113000\" title=\"Rails4 ActiveRecord\u3067or\u3092\u4f7f\u7528\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5 - 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>","author_url":"https://blog.hatena.ne.jp/ayaketan/","image_url":null,"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","url":"https://ayaketan.hatenablog.com/entry/2014/06/23/113000","published":"2014-06-23 11:30:00","blog_url":"https://ayaketan.hatenablog.com/","version":"1.0","height":"190","title":"Rails4 ActiveRecord\u3067or\u3092\u4f7f\u7528\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5","width":"100%","blog_title":"ayaketan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u52c9\u5f37\u65e5\u8a18"}