{"image_url":null,"width":"100%","type":"rich","blog_url":"https://j-ogawa.hatenadiary.jp/","blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u306f\u307b\u3069\u9060\u3044","description":"\u5272\u3068\u6c4e\u7528\u7684\u304b\u3068\u601d\u3063\u305f\u306e\u3067\u8f09\u305b\u3066\u307f\u3088\u3046\u304b\u3068\u3002 or\u306e\u5f15\u6570\u306bnil\u304c\u304d\u305f\u3089\u305d\u306e\u307e\u307e\u306a\u306e\u304c\u30df\u30bd\u3002 class ActiveRecord::Base def self.search_with_multi(columns:, keywords:) where(columns_keywords_cond(columns, keywords)) end def self.columns_keywords_cond(columns, keywords) columns .product(keywords) .reduce(nil) do |cond, (column, keyword)| arel_table\u2026","author_url":"https://blog.hatena.ne.jp/J_ogawa/","version":"1.0","published":"2016-09-07 02:50:20","url":"https://j-ogawa.hatenadiary.jp/entry/2016/09/07/025020","provider_url":"https://hatena.blog","categories":["Rails","Ruby"],"title":"ActiveRecord\u3067\u8907\u6570\u30ab\u30e9\u30e0\u306b\u5bfe\u3057\u8907\u6570\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u63a2\u3059","height":"190","author_name":"J_ogawa","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fj-ogawa.hatenadiary.jp%2Fentry%2F2016%2F09%2F07%2F025020\" title=\"ActiveRecord\u3067\u8907\u6570\u30ab\u30e9\u30e0\u306b\u5bfe\u3057\u8907\u6570\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u63a2\u3059 - \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u306f\u307b\u3069\u9060\u3044\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog"}