{"categories":["Ruby on Rails"],"title":"ransack\u3067#Array:\u301c\u301c\u306e\u30a8\u30e9\u30fc","provider_name":"Hatena Blog","height":"190","image_url":null,"provider_url":"https://hatena.blog","type":"rich","published":"2021-04-11 18:57:40","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ft2s-single.hatenablog.jp%2Fentry%2F2021%2F04%2F11%2F185740\" title=\"ransack\u3067#Array:\u301c\u301c\u306e\u30a8\u30e9\u30fc - \u30af\u30c3\u30d1\u306e\u3066\u3063\u304f\u5099\u5fd8\u9332\" 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://t2s-single.hatenablog.jp/entry/2021/04/11/185740","author_name":"t2s-single","blog_url":"https://t2s-single.hatenablog.jp/","blog_title":"\u30af\u30c3\u30d1\u306e\u3066\u3063\u304f\u5099\u5fd8\u9332","description":"\u554f\u984c \u914d\u5217\u51e6\u7406\u3057\u305f\u3044\u304c\u3001\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3002 #[Array:0x00007f55f06941f8](array:0x00007f55f06941f8) \u539f\u56e0 Array\u30af\u30e9\u30b9\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304c\u539f\u56e0 ransack\u3067\u306fActiveRecord_Relation\u30af\u30e9\u30b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 \u89e3\u6c7a\u7b56 where\u3001map\u3092\u3064\u304b\u3044\u3001Array\u2192ActiveRecord_Relation\u30af\u30e9\u30b9\u306b\u5909\u63db\u3059\u308b .where(id: items.map{ |item| [item.id](http://item.id/) }) \u53c2\u8003\u30b5\u30a4\u30c8 \u914d\u5217\u3092ActiveRecord::Relation\u3067\u518d\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u2026","width":"100%","author_url":"https://blog.hatena.ne.jp/t2s-single/"}