{"version":"1.0","type":"rich","published":"2018-10-29 17:50:13","provider_name":"Hatena Blog","title":"\u3010N+1\u554f\u984c\u5bfe\u7b56\u3011Ransack\u3068includes\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066ActiveRecord\u306e\u591a\u6bb5\u306e\u95a2\u9023\u3092\u691c\u7d22\u3059\u308b\u65b9\u6cd5 #Rails5","blog_title":"\u7d19\u4e00\u91cd\u306e\u7a4d\u307f\u91cd\u306d","blog_url":"https://www.yokoyan.net/","author_name":"yokoyantech","height":"190","author_url":"https://blog.hatena.ne.jp/yokoyantech/","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","Rails","ruby"],"provider_url":"https://hatena.blog","url":"https://www.yokoyan.net/entry/2018/10/29/175013","description":"\u306f\u3058\u3081\u306b N+1\u554f\u984c\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081\u306b\u3001\u8907\u6570\u306e\u95a2\u9023\u3092\u6301\u3064Model\u3092includes\u30e1\u30bd\u30c3\u30c9\u3067\u89e3\u6d88\u3059\u308b\u65b9\u6cd5\u3092\u30e1\u30e2\u3002 \u5b9f\u884c\u74b0\u5883 Rails5.2.0 Ransack Slim Model\u5b9a\u7fa9 User\u306b\u6301\u3063\u3066\u3044\u308b\u540d\u79f0\u3068\u3001Corporation\u306b\u6301\u3063\u3066\u3044\u308b\u540d\u79f0\u3092\u53d6\u5f97\u3057\u305f\u3044\u3002 class User < ApplicationRecord has_one :customer, dependent: :destroy class Customer < ApplicationRecord belongs_to :user has_many :points, dependent: :destroy class\u2026","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/y/yokoyantech/20181029/20181029174950.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.yokoyan.net%2Fentry%2F2018%2F10%2F29%2F175013\" title=\"\u3010N+1\u554f\u984c\u5bfe\u7b56\u3011Ransack\u3068includes\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066ActiveRecord\u306e\u591a\u6bb5\u306e\u95a2\u9023\u3092\u691c\u7d22\u3059\u308b\u65b9\u6cd5 #Rails5 - \u7d19\u4e00\u91cd\u306e\u7a4d\u307f\u91cd\u306d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}