{"id":100824,"date":"2021-08-01T08:08:09","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=100824"},"modified":"2024-05-06T11:55:31","modified_gmt":"2024-05-06T02:55:31","slug":"rails%e3%82%a2%e3%83%97%e3%83%aa%e3%81%ab%e7%b0%a1%e5%8d%98%e3%81%ab%e6%a4%9c%e7%b4%a2%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a0%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%a8","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/100824","title":{"rendered":"Rails\u30a2\u30d7\u30ea\u306b\u7c21\u5358\u306b\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3068\u306f\uff1f"},"content":{"rendered":"<p><div class=\"box_voice\"><br \/>\nRails\u306e\u30a2\u30d7\u30ea\u306b\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u4ed8\u3051\u305f\u3044\u3051\u3069\u3069\u3046\u3084\u308b\u306e\uff1f<br \/>\n\u7c21\u5358\u306bgem\u3067\u5b9f\u88c5\u3067\u304d\u306a\u3044\u304b\u306a<br \/>\n<\/div><\/p>\n<p>\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306fWeb\u30b5\u30fc\u30d3\u30b9\u3067\u5b9a\u756a\u306e\u6a5f\u80fd\u3067\u3059\u304c\u3001\u3044\u3056\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3084\u308a\u65b9\u304c\u5206\u304b\u3089\u306a\u304f\u3066\u60a9\u3093\u3067\u3057\u307e\u3044\u307e\u3059\u3088\u306d\u3002<\/p>\n<p>\u3044\u308d\u3044\u308d\u3068\u60c5\u5831\u3092\u96c6\u3081\u3066\u307f\u308b\u3068\u3001<span style=\"color: #339966;\"><strong>gem<\/strong><\/span>\u3092\u4f7f\u3063\u305f\u308a\u3001\u4f7f\u308f\u306a\u3044\u3067\u81ea\u529b\u3067\u5b9f\u88c5\u3057\u305f\u308a\u3068\u89e3\u8aac\u3057\u3066\u3044\u308b\u4eba\u306b\u3088\u3063\u3066\u7d50\u69cb\u5dee\u304c\u3042\u308a\u300c\u3069\u308c\u3092\u4f7f\u3048\u3070\u3044\u3044\u306e\u304b\u307e\u3059\u307e\u3059\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u305f\u2026\u2026\u300d\u306a\u3093\u3066\u3053\u3068\u3082\u3057\u3070\u3057\u3070\u8d77\u3053\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306fRails\u30a2\u30d7\u30ea\u306b\u7c21\u5358\u306b\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u57fa\u672c\u304b\u3089gem\u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u3001\u5fdc\u7528\u7684\u306a\u691c\u7d22\u65b9\u6cd5\u307e\u3067\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u306e\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u3044\u3053\u306a\u305b\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>Rails\u3067\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u30d1\u30bf\u30fc\u30f3<\/h2>\n<p>\u306f\u3058\u3081\u306b\u3001Rails\u3067\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u30922\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><strong>Ransack<\/strong><\/li>\n<li><strong>gem\u3092\u4f7f\u308f\u305a\u306b\u5b9f\u88c5\u3059\u308b<\/strong><\/li>\n<\/ul>\n<p><\/div><br \/>\n\u30b6\u30c3\u30af\u30ea\u3044\u3048\u3070\u300cgem\u3092\u4f7f\u3063\u3066\u6a5f\u80fd\u3092\u5916\u90e8\u304b\u3089\u53d6\u308a\u8fbc\u3080\u300d\u304b\u300c\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u306b\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u308a\u8fbc\u3080\u300d\u304b\u3002\u3053\u306e2\u629e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306egem\u3068\u3057\u3066\u4e00\u756a\u77e5\u540d\u5ea6\u304c\u9ad8\u304f\u3001\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u308f\u308c\u308b<span style=\"color: #339966;\"><strong>Ransack<\/strong><\/span>\u3092\u4e2d\u5fc3\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Ransack\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u306a\u3093\u3068\u8a00\u3063\u3066\u3082<strong>\u5c0e\u5165\u304c\u7c21\u5358<\/strong>\u306a\u3053\u3068\u3068\u3001\u5c0e\u5165\u306e\u7c21\u5358\u3055\u306b\u6bd4\u3079\u3066<strong>\u691c\u7d22\u65b9\u6cd5\u304c\u8c4a\u5bcc<\/strong>\u306a\u3053\u3068\u3067\u3059\u3002\u5c0e\u5165\u81ea\u4f53\u306f\u3044\u3064\u3082\u306egem\u306a\u306e\u3067\u3001Gemfile\u306b\u66f8\u304d\u8fbc\u3093\u3067bundle\u3059\u308c\u3070OK\u3002\u7c21\u5358\u3067\u3059\u306d\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u306b\u95a2\u3057\u3066\u306f\u6b21\u306e\u7ae0\u3067\u898b\u3066\u3044\u304f\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u9006\u306b\u3001Ransack\u3092\u4f7f\u3046\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><strong>gem\u540c\u58eb\u306e\u885d\u7a81<\/strong><\/li>\n<li><strong>\u5229\u7528\u7b87\u6240\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027<\/strong><\/li>\n<li><strong>gem\u304c\u66f4\u65b0\u505c\u6b62\u3059\u308b\u5371\u967a\u6027<\/strong><\/li>\n<\/ul>\n<p><\/div><br \/>\n\u4ee5\u4e0b\u3067Ransack\u3092\u5229\u7528\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u306e\u8a73\u7d30\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>gem\u540c\u58eb\u306e\u885d\u7a81<\/h3>\n<p>gem\u540c\u58eb\u306e\u885d\u7a81\u306f\u305f\u304f\u3055\u3093\u306egem\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u3068\u8d77\u3053\u308a\u3046\u308b\u554f\u984c\u3067\u3059\u3002<span style=\"color: #339966;\"><strong>\u30b3\u30f3\u30d5\u30ea\u30af\u30c8<\/strong><\/span>\u3068\u3082\u3044\u3044\u3001gem\u540c\u58eb\u306e\u4f9d\u5b58\u95a2\u4fc2\u306a\u3069\u304b\u3089\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u306f\u5f8c\u308d\u5411\u304d\u3067\u3059\u304c\u3001<strong>\u3084\u305f\u3089\u3081\u3063\u305f\u3089gem\u3092\u5c0e\u5165\u3057\u306a\u3044<\/strong>\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3>\u5229\u7528\u7b87\u6240\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027<\/h3>\n<p>\u5229\u7528\u7b87\u6240\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u306f\u3001\u9577\u671f\u306b\u6e21\u3063\u3066\u30b5\u30fc\u30d3\u30b9\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u3068\u8d77\u3053\u308a\u3046\u308b\u554f\u984c\u70b9\u3067\u3059\u3002\u5bfe\u8c61\u306egem\u5229\u7528\u7b87\u6240\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u304b\u306a\u308a\u6df1\u3044\u90e8\u5206\u306b\u5165\u308a\u8fbc\u3093\u3067\u3057\u307e\u3044\u3001\u66f4\u65b0\u3057\u3088\u3046\u306b\u3082\u3069\u3053\u3092\u3044\u3058\u3063\u305f\u3089\u3044\u3044\u306e\u304b\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3001\u3068\u3044\u3046\u3053\u3068\u304c\u5b9f\u969b\u306b\u304a\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u3001<strong>\u30b7\u30b9\u30c6\u30e0\u306e\u6839\u3063\u3053\u306b\u306a\u308b\u3088\u3046\u306a\u90e8\u5206\u306f\u305d\u3082\u305d\u3082gem\u306b\u4f9d\u5b58\u3055\u305b\u306a\u3044<\/strong>\u306e\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>gem\u304c\u66f4\u65b0\u505c\u6b62\u3059\u308b\u5371\u967a\u6027<\/h3>\n<p>gem\u304c\u66f4\u65b0\u505c\u6b62\u3059\u308b\u5371\u967a\u6027\u306f\u8aad\u3093\u3067\u5b57\u306e\u3054\u3068\u304f\u3001\u3067\u3059\u3002<\/p>\n<p>gem\u306f\u500b\u4eba\u958b\u767a\u306e\u3082\u306e\u3082\u591a\u304f\u300110\u5e74\u5f8c\u306b\u3082\u958b\u767a\u304c\u7d9a\u3044\u3066\u3044\u308b\u304b\u3068\u8a00\u308f\u308c\u308b\u3068\u5fae\u5999\u306a\u3082\u306e\u304c\u305f\u304f\u3055\u3093\u5b58\u5728\u3057\u307e\u3059\u3002\u7d44\u7e54\u3067\u3042\u3063\u3066\u3082\u7d99\u7d9a\u7684\u306a\u30b5\u30dd\u30fc\u30c8\u3092\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u306f\u307b\u3068\u3093\u3069\u7121\u304f\u3001OSS\u306b\u3088\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u3042\u308b\u3068\u306f\u3044\u3048\u3001\u4e0d\u4eba\u6c17\u306a\u3082\u306e\u306f\u3044\u3064\u304b\u306f\u66f4\u65b0\u304c\u6b62\u307e\u3063\u3066\u3057\u307e\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u3046\u3057\u305f\u6642\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u3082\u9023\u52d5\u3057\u3066\u7834\u7dbb\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u306fgem\u3092\u4f7f\u3046\u4ee5\u4e0a\u5e38\u306b\u6f5c\u3093\u3067\u3044\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u306f\u3001gem\u3092\u306a\u308b\u3079\u304f\u4f7f\u308f\u306a\u3044\u3002<strong>\u4f7f\u3046\u3068\u3057\u3066\u3082gem\u306e\u5185\u5bb9\u3092\u81ea\u5206\u3067\u66f8\u3051\u308b\u304f\u3089\u3044\u306b\u7fd2\u719f\u3057\u3066\u304a\u304f<\/strong>\u3001\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3044\u308d\u3044\u308d\u3068gem\u5229\u7528\u306b\u95a2\u3059\u308b\u554f\u984c\u70b9\u3092\u5217\u6319\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u3089\u306f\u8981\u3059\u308b\u306b\u30d3\u30b8\u30cd\u30b9\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u30015\u5e7410\u5e74\u4f7f\u3046\u3053\u3068\u3092\u8003\u3048\u305f\u6642\u306b\u81f4\u547d\u7684\u306b\u306a\u3063\u3066\u304f\u308b\u554f\u984c\u70b9\u3067\u3059\u3002\u6b63\u54731\u5e74\u3082\u904b\u55b6\u3067\u304d\u308b\u306e\u304b\u898b\u8fbc\u307f\u304c\u7acb\u305f\u306a\u3044\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308c\u3070\u3001\u6c17\u8efd\u306bgem\u3092\u7a81\u3063\u8fbc\u3093\u3067\u3057\u307e\u3063\u3066\u554f\u984c\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u6b21\u7ae0\u3067\u306fgem\u306eRansack\u3092\u4f7f\u3063\u305f\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>Ransack\u3092\u4f7f\u3063\u305f\u7c21\u5358\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306e\u5b9f\u88c5<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3001Ransack\u3092\u3064\u304b\u3063\u3066\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u30b5\u30f3\u30d7\u30eb\u3068\u3057\u3066\u3001<span style=\"color: #339966;\"><strong>scaffold<\/strong><\/span>(<strong><span style=\"color: #339966;\">\u30b9\u30ad\u30e3\u30d5\u30a9\u30fc\u30eb\u30c9<\/span><\/strong>)\u3092\u3064\u304b\u3063\u305f\u30a2\u30d7\u30ea\u3092\u7acb\u3061\u4e0a\u3052\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u3068Ransack\u306e\u5c0e\u5165<\/h3>\n<p>\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u306e\u540d\u524d\u306f ransack_sample \u3068\u3057\u3066\u3001user\u30c6\u30fc\u30d6\u30eb\u306b name(string),age(integer) \u3092\u3082\u3064\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u306e\u96db\u5f62\u304c\u51fa\u6765\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"decode:true \">rails new ransack_sample\r\ncd ransack_sample\/\r\nrails generate scaffold user name:string age:integer\r\nrails db:migrate<\/pre>\n<p>\u3064\u3065\u3044\u3066\u3001Gemfile\u306bRansack\u3092\u8ffd\u52a0\u3057\u3001bundle\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"decode:true \">Gemfile\r\ngem 'ransack'<\/pre>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb<\/p>\n<pre class=\"decode:true \">bundle<\/pre>\n<p>\u3064\u3065\u3044\u3066\u3001users_controller.rb \u3068 index.html.erb \u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<p>\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u8ffd\u52a0\u3057\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u691c\u7d22\u306e\u52d5\u4f5c\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>users_controller.rb \u306eindex\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"decode:true \">def index\r\n    @q = User.ransack(params[:q])\r\n    @users = @q.result(distinct: true)\r\nend<\/pre>\n<p>index.html.erb\u306e &lt;h1&gt;Users&lt;\/h1&gt; \u3068 &lt;table&gt; \u306e\u9593\u306b\u4ee5\u4e0b\u306e\u30d5\u30a9\u30fc\u30e0\u3092\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"decode:true \">&lt;%= search_form_for @q do |f| %&gt;\r\n    &lt;%= f.label :name_cont %&gt;\r\n    &lt;%= f.search_field :name_cont %&gt;\r\n\r\n    &lt;%= f.submit %&gt;\r\n&lt;% end %&gt;<\/pre>\n<p>\u3053\u308c\u3067\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3057\u305fscaffold\u306e\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u304c\u5b8c\u6210\u3057\u307e\u3057\u305f\u3002\u30b5\u30fc\u30d0\u3092\u7acb\u3061\u4e0a\u3052\u3066\u3001\u5b9f\u969b\u306e\u753b\u9762\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u308c\u3070OK\u3067\u3059\u3002\u691c\u7d22\u7a93\u3068DB\u306e\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b\u90e8\u5206\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u306d\u3002<br \/>\n<img decoding=\"async\" class=\"aligncenter size-full wp-image-101088\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/d14863b3c3051c125244793146b94755.jpg\" alt=\"\" width=\"362\" height=\"194\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/d14863b3c3051c125244793146b94755.jpg 362w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/d14863b3c3051c125244793146b94755-150x80.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/d14863b3c3051c125244793146b94755-300x161.jpg 300w\" sizes=\"(max-width: 362px) 100vw, 362px\" \/><br \/>\n<div class=\"img-caption\">\u691c\u7d22\u7a93\u304c\u3042\u308b\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea<\/div><\/p>\n<h3>\u691c\u7d22\u6a5f\u80fd\u306e\u78ba\u8a8d<\/h3>\n<p>\u691c\u7d22\u6a5f\u80fd\u3092\u8a66\u3059\u305f\u3081\u306b\u9069\u5f53\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4eca\u56de\u306f\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4e0b\u8a18\u306e3\u3064\u3092\u767b\u9332\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><strong>\u5c71\u7530 \u30bf\u30ab\u30aa 54\u6b73<\/strong><\/li>\n<li><strong>\u4f0a\u85e4 \u30bf\u30ab\u30aa 23\u6b73<\/strong><\/li>\n<li><strong>\u5c71\u7530 \u30e8\u30b7\u30b3 36\u6b73<\/strong><\/li>\n<\/ul>\n<\/div>\n<p>\u691c\u7d22\u7a93\u304b\u3089\u5c71\u7530\u3092\u5165\u529b\u3057\u3066\u307f\u308b\u3068\u300c\u5c71\u7530 \u30bf\u30ab\u30aa\u300d\u3068\u300c\u5c71\u7530\u30e8\u30b7\u30b3\u300d\u304c\u30d2\u30c3\u30c8\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" class=\"aligncenter size-full wp-image-101090\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/bcef969ab1503973401facd93a7fcde2.jpg\" alt=\"\" width=\"554\" height=\"315\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/bcef969ab1503973401facd93a7fcde2.jpg 554w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/bcef969ab1503973401facd93a7fcde2-150x85.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/bcef969ab1503973401facd93a7fcde2-300x171.jpg 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><br \/>\n<div class=\"img-caption\">\u5c71\u7530\u3092\u540d\u524d\u306b\u542b\u3080\u4eba\u306e\u307f\u304c\u691c\u7d22\u7d50\u679c\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b<\/div><\/p>\n<p>\u540c\u69d8\u306b\u30bf\u30ab\u30aa\u3067\u691c\u7d22\u3059\u308b\u3068\u300c\u5c71\u7530 \u30bf\u30ab\u30aa\u300d\u3068\u300c\u4f0a\u85e4 \u30bf\u30ab\u30aa\u300d\u304c\u30d2\u30c3\u30c8\u3057\u307e\u3059\u306d\u3002<br \/>\n<img decoding=\"async\" class=\"aligncenter size-full wp-image-101092\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/7a1a3fe5a04f19f432ed526f07b434dc.jpg\" alt=\"\" width=\"707\" height=\"339\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/7a1a3fe5a04f19f432ed526f07b434dc.jpg 707w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/7a1a3fe5a04f19f432ed526f07b434dc-150x72.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/7a1a3fe5a04f19f432ed526f07b434dc-300x144.jpg 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/7a1a3fe5a04f19f432ed526f07b434dc-640x307.jpg 640w\" sizes=\"(max-width: 707px) 100vw, 707px\" \/><br \/>\n<div class=\"img-caption\">\u30bf\u30ab\u30aa\u3092\u540d\u524d\u306b\u542b\u3080\u4eba\u306e\u307f\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b<\/div><\/p>\n<p>\u554f\u984c\u306a\u304f\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u304c\u6a5f\u80fd\u3057\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h3>\u3053\u3053\u307e\u3067\u306e\u307e\u3068\u3081\u52d5\u753b<\/h3>\n<p>Ransack\u306e\u5c0e\u5165\u304b\u3089\u5b9f\u969b\u306b\u4f7f\u3046\u307e\u3067\u3092\u52d5\u753b\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002\u7d30\u304b\u3044\u64cd\u4f5c\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u9032\u3081\u305f\u3044\u65b9\u306f\u4ee5\u4e0b\u306e\u52d5\u753b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<div style=\"width: 720px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-100824-1\" width=\"720\" height=\"480\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/test_enc.mp4?_=1\" \/><a href=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/test_enc.mp4\">https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/06\/test_enc.mp4<\/a><\/video><\/div>\n<h3>\u691c\u7d22\u6a5f\u80fd\u306e\u57fa\u672c\u30fb\u30d3\u30e5\u30fc\u306b\u3064\u3044\u3066<\/h3>\n<p>\u5b9f\u969b\u306b\u52d5\u304f\u30e2\u30c7\u30eb\u304c\u3067\u304d\u305f\u3068\u3053\u308d\u3067\u3001Ransack\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Ransack\u306b\u306f\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u308b\u30e2\u30fc\u30c9\u304c2\u7a2e\u985e\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u304c\u3001<strong><span style=\"color: #339966;\">\u30b7\u30f3\u30d7\u30eb\u30e2\u30fc\u30c9<\/span><\/strong>\u3068<span style=\"color: #339966;\"><strong>\u30a2\u30c9\u30d0\u30f3\u30b9\u30e2\u30fc\u30c9<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<p>\u30a2\u30c9\u30d0\u30f3\u30b9\u30e2\u30fc\u30c9\u306f\u5165\u308c\u5b50\u306b\u306a\u3063\u305fAND\/OR\u691c\u7d22\u306a\u3069\u3001\u304b\u306a\u308a\u8907\u96d1\u306a\u3053\u3068\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u57fa\u672c\u7684\u306a\u5229\u7528\u6cd5\u306e\u7d39\u4ecb\u304c\u4e3b\u773c\u3067\u3059\u306e\u3067\u3001\u4ee5\u4e0b\u3059\u3079\u3066\u30b7\u30f3\u30d7\u30eb\u30e2\u30fc\u30c9\u3067\u89e3\u8aac\u3092\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30c9\u30d0\u30f3\u30b9\u30e2\u30fc\u30c9\u306a\u3069\u306e\u3055\u3089\u306a\u308b\u60c5\u5831\u304c\u6b32\u3057\u3044\u65b9\u306f\u516c\u5f0f\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u21e8 <a href=\"https:\/\/github.com\/activerecord-hackery\/ransack\">Ransack\u00a0<\/a><\/p>\n<p>\u307e\u305a\u306f\u30d3\u30e5\u30fc\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u666e\u901a\u306e\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u308b\u969b\u306f form_for \u3084 form_with \u3092\u4f7f\u3044\u307e\u3059\u304c\u3001Ransack\u3067\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u308b\u5834\u5408\u3001<span style=\"color: #339966;\"><strong>search_form_for\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>search_form_for\u306e\u5f15\u6570\u306b\u4eca\u56de\u306f@q\u3092\u53d6\u308a\u307e\u3057\u305f\u3002@q\u306e\u30af\u30a8\u30ea\u60c5\u5831\u3092\u5143\u306b\u691c\u7d22\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u30d5\u30a9\u30fc\u30e0\u306e\u4e2d\u8eab\u306b\u79fb\u308a\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u306e\u4e2d\u8eab\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a18\u8ff0\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"decode:true \">    &lt;%= f.label :name_cont %&gt;\r\n    &lt;%= f.search_field :name_cont %&gt;\r\n\r\n    &lt;%= f.submit %&gt;<\/pre>\n<p>f.label\u3001 f.search_field\u3001 f.submit\u81ea\u4f53\u306f\u898b\u6163\u308c\u3066\u3044\u308b\u65b9\u3082\u591a\u3044\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u305d\u308c\u305e\u308c\u30e9\u30d9\u30eb\u3001\u691c\u7d22\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u9001\u4fe1\u30dc\u30bf\u30f3\u3092\u5f62\u6210\u3059\u308b\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u306d\u3002<\/p>\n<p>Ransack\u3092\u7528\u3044\u305f\u691c\u7d22\u3067\u7279\u5fb4\u7684\u306a\u306e\u304c\u3001\u3053\u308c\u3089\u306e\u5f8c\u308d\u306b\u3064\u3044\u3066\u3044\u308b\u300c:name_cont\u300d\u306e\u90e8\u5206\u3067\u3059\u3002\u3053\u308c\u306fname\u30ab\u30e9\u30e0\u306b\u5bfe\u3057\u3066<span style=\"color: #339966;\"><strong>Like\u53e5<\/strong><\/span>\u3092\u4f7f\u3063\u305f\u90e8\u5206\u4e00\u81f4\u691c\u7d22\u3092\u884c\u3046\u3001\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002\u6587\u5b57\u306b\u3059\u308b\u3068\u96e3\u3057\u305d\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u8981\u3059\u308b\u306b\u524d\u306e\u7bc0\u3067\u3084\u3063\u305f\u5c71\u7530\u3055\u3093\u3084\u30bf\u30ab\u30aa\u3092\u62bd\u51fa\u3057\u305f\u30a2\u30ec\u3067\u3059\u3002<\/p>\n<p>Ransack\u306fname\u3067\u5bfe\u5fdc\u3059\u308b\u30ab\u30e9\u30e0\u3092\u3001_cont\u3067\u691c\u7d22\u65b9\u6cd5\u3092\u67d4\u8edf\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u304cRansack\u3092\u5229\u7528\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u3068\u3044\u3048\u307e\u3059\u306d\u3002<\/p>\n<p>_cont\u306e\u90e8\u5206\u3092Ransack\u3067\u306f<span style=\"color: #339966;\"><strong>\u8ff0\u8a9e<\/strong><\/span>\uff08<strong><span style=\"color: #339966;\">predicate<\/span><\/strong>\uff09\u3068\u3044\u3044\u307e\u3059\u3002\u305b\u3063\u304b\u304f\u3067\u3059\u306e\u3067\u3001\u3088\u304f\u4f7f\u3044\u305d\u3046\u306a\u8ff0\u8a9e\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"width: 20%; background-color: #efedf2; text-align: center;\"><strong><span style=\"color: #339966;\">eq<\/span><\/strong><\/td>\n<td>\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u305f\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #efedf2;\">\n<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>lt<\/strong><\/span><\/p>\n<\/td>\n<td>\u3042\u308b\u5024\u3088\u308a\u5c0f\u3055\u3044\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #efedf2;\">\n<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>gt<\/strong><\/span><\/p>\n<\/td>\n<td>\u3042\u308b\u5024\u3088\u308a\u5927\u304d\u306a\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #efedf2;\">\n<p style=\"text-align: center;\"><strong><span style=\"color: #339966;\">in<\/span><\/strong><\/p>\n<\/td>\n<td>\u4e0e\u3048\u3089\u308c\u305f\u914d\u5217\u306b\u542b\u307e\u308c\u308b\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #efedf2;\">\n<p style=\"text-align: center;\"><strong><span style=\"color: #339966;\">cont,not_cont<\/span><\/strong><\/p>\n<\/td>\n<td>\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u308b\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<strong>not_<\/strong>\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u306a\u3044\u3082\u306e\u3092\u62bd\u51fa\u306b\u5207\u308a\u66ff\u3048\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #efedf2;\">\n<p style=\"text-align: center;\"><strong><span style=\"color: #339966;\">start,end<\/span><\/strong><\/p>\n<\/td>\n<td><strong>\u00a0start<\/strong>\u306f\u4e0e\u3048\u3089\u308c\u305f\u6587\u5b57\u5217\u304c\u5148\u982d\u3068\u4e00\u81f4\u3059\u308b\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3044\u308f\u3086\u308b\u524d\u65b9\u4e00\u81f4\u691c\u7d22\u3067\u3059\u3002 <strong>end<\/strong>\u306f\u9006\u306b\u5f8c\u65b9\u4e00\u81f4\u691c\u7d22\u3092\u884c\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4ed6\u306b\u3082\u69d8\u3005\u306a\u8ff0\u8a9e\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u691c\u7d22\u6a5f\u80fd\u306e\u57fa\u672c\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u3064\u3044\u3066<\/h3>\n<p>\u4eca\u5ea6\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u4eca\u56de\u306fusers_controller.rb\u306eindex\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u305f\u306e\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"decode:true \">def index\r\n    @q = User.ransack(params[:q])\r\n    @users = @q.result(distinct: true)\r\nend<\/pre>\n<p>\u4e2d\u8eab\u3092\u898b\u3066\u307f\u308b\u3068\u3001params[:q] \u306f\u304a\u306a\u3058\u307f\u306e\u691c\u7d22\u30d1\u30e9\u30e1\u30fc\u30bf\u304b\u3089\u00a0<strong>q\u00a0<\/strong>\u3092\u53d6\u5f97\u3059\u308b\u64cd\u4f5c\u3067\u3059\u3002\u4eca\u56de\u306f\u691c\u7d22\u30d5\u30a3\u30fc\u30eb\u30c9\u5185\u306b\u66f8\u304d\u8fbc\u307e\u308c\u305f\u691c\u7d22\u30af\u30a8\u30ea\u3068\u3001\u30ab\u30e9\u30e0\u3068\u8ff0\u8a9e\u306e\u60c5\u5831\u304c<span style=\"color: #339966;\"><strong>ransack\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u306b\u6e21\u3055\u308c\u3066\u3001\u5fc5\u8981\u306a\u60c5\u5831\u304c\u691c\u7d22\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u7d50\u679c\u3092@users\u306b\u5165\u308c\u3066\u8868\u793a\u3068\u3044\u3046\u306e\u304c\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u306e\u6d41\u308c\u3060\u3063\u305f\u306e\u3067\u3057\u305f\u3002<\/p>\n<p>\u306a\u304a\u3001result(distinct: true)\u306b\u3064\u3044\u3066\u3067\u3059\u304c\u3001distinct\u306fSQL\u306b\u3042\u308b\u91cd\u8907\u3092\u6392\u9664\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002true\u306b\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u7d50\u679c\u304b\u3089\u91cd\u8907\u3057\u305f\u5185\u5bb9\u306e\u3082\u306e\u3092\u6392\u9664\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Ransack\u3092\u4f7f\u3063\u305f\u69d8\u3005\u306a\u691c\u7d22<\/h2>\n<p>\u6700\u5f8c\u306bRansack\u3092\u4f7f\u3063\u3066\u69d8\u3005\u306a\u691c\u7d22\u3092\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u5e74\u9f62\u306e\u7bc4\u56f2\u691c\u7d22<\/h3>\n<p>\u3053\u306e\u7bc0\u3067\u306f\u5e74\u9f62\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u305f\u691c\u7d22\u306e\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u7279\u5b9a\u306e\u65e5\u4ed8\u3084\u5024\u6bb5\u3001ID\u306e\u7bc4\u56f2\u691c\u7d22\u3068\u3044\u3063\u305f\u5fdc\u7528\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u306d\u3002<\/p>\n<p>\u30d3\u30e5\u30fc\u3092\u6539\u9020\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u4eca\u56de\u306fage\u30ab\u30e9\u30e0\u3092\u691c\u7d22\u7bc4\u56f2\u3068\u3057\u3066\u3001\u4e0b\u9650\u306e\u5e74\u9f62\u3068\u4e0a\u9650\u306e\u5e74\u9f62\u3092\u30bb\u30c3\u30c8\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u306d\u3002\u305d\u306e\u305f\u3081\u3001index.html.erb\u306esearch_form_for\u4ee5\u4e0b\u3092\u6b21\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"decode:true \">&lt;%= search_form_for @q do |f| %&gt;\r\n\r\n    &lt;%= f.label :age_gt %&gt;\r\n    &lt;%= f.search_field :age_gt %&gt;\r\n\r\n    &lt;%= f.label :age_lt %&gt;\r\n    &lt;%= f.search_field :age_lt %&gt;\r\n\r\n    &lt;%= f.submit %&gt;\r\n&lt;% end %&gt;<\/pre>\n<p>\u3053\u308c\u3067\u5e74\u9f62\u306e\u7bc4\u56f2\u691c\u7d22\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u7c21\u5358\u3067\u3059\u306d\uff01<\/p>\n<h3>\u691c\u7d22\u7bc4\u56f2\u306e\u9650\u5b9a\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\uff09<\/h3>\n<p>\u3064\u3065\u3044\u3066\u3001\u691c\u7d22\u7bc4\u56f2\u306e\u9650\u5b9a\u3092\u5b66\u3093\u3067\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u73fe\u5728\u306e\u691c\u7d22\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u610f\u56f3\u7684\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u52a0\u5de5\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u3061\u3089\u304c\u6307\u5b9a\u3057\u305f\u4ee5\u5916\u306e\u30ab\u30e9\u30e0\u306e\u691c\u7d22\u3082\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u610f\u56f3\u3057\u306a\u3044\u30ab\u30e9\u30e0\u306e\u691c\u7d22\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306b\u3082\u3001\u30ab\u30e9\u30e0\u306e\u691c\u7d22\u7bc4\u56f2\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u671b\u307e\u308c\u307e\u3059\u3002\u305d\u306e\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30ab\u30e9\u30e0\u306e\u691c\u7d22\u7bc4\u56f2\u306e\u5236\u9650\u306f\u30e2\u30c7\u30eb\u304b\u3089\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306fUser\u30e2\u30c7\u30eb\u3092\u3064\u304b\u3063\u3066\u3044\u308b\u306e\u3067\u3001app\/models\/user.rb\u3092\u7de8\u96c6\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u7de8\u96c6\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"decode:true \">class User &lt; ApplicationRecord\r\n    \r\n    #\u8ffd\u52a0\u90e8\u5206\r\n    def self.ransackable_attributes(auth_object = nil)\r\n        %w[name age]\r\n    end\r\n\r\n    def self.ransackable_associations(auth_object = nil)\r\n        []\r\n    end\r\n    #\u8ffd\u52a0\u90e8\u5206\u7d42\u308f\u308a\r\n\r\nend<\/pre>\n<p>\u305d\u308c\u305e\u308c\u5f79\u5272\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>ransackable_attributes\u306f<strong>\u691c\u7d22\u5bfe\u8c61\u306b\u8a31\u53ef\u3059\u308b\u30ab\u30e9\u30e0\u3092\u6307\u5b9a\u3059\u308b\u90e8\u5206<\/strong>\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3059\u3079\u3066\u306e\u30ab\u30e9\u30e0\u304c\u5bfe\u8c61\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u5229\u7528\u3059\u308bname,age\u30ab\u30e9\u30e0\u306b\u5236\u9650\u3092\u304b\u3051\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u306f\u30a2\u30d7\u30ea\u306b\u3088\u3063\u3066\u5909\u308f\u3063\u3066\u304f\u308b\u306e\u3067\u3001\u9069\u5b9c\u5909\u66f4\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n<p>ransackable_associations\u306f<strong>\u691c\u7d22\u5bfe\u8c61\u306b\u542b\u3081\u308b\u95a2\u9023\u306b\u3064\u3044\u3066\u306e\u8a2d\u5b9a<\/strong>\u3067\u3059\u3002\u3053\u3053\u306f\u7a7a\u306e\u914d\u5217\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u5fc5\u8981\u306e\u306a\u3044\u95a2\u9023\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u3092\u9632\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>Ransack\u3067\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u3053\u308c\u3089\u306e\u5236\u9650\u3092\u304b\u3051\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3082\u62c5\u4fdd\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f<\/p>\n<p>\u4eca\u56de\u306f<strong>Ransack\u3092\u4f7f\u3063\u305f\u7c21\u5358\u306a\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u306e\u5b9f\u88c5\u3068\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9<\/strong>\u3068<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u6c17\u3092\u3064\u3051\u305f\u3044\u90e8\u5206<\/strong>\u3092\u7d39\u4ecb\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u7c21\u5358\u306a\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3067\u3042\u308c\u3070\u81ea\u5206\u3067\u5b9f\u88c5\u3059\u308b\u306e\u3082\u3042\u308a\u3067\u3059\u304c\u3001\u3053\u3053\u307e\u3067\u7c21\u5358\u306b\u4f7f\u3048\u308b\u306a\u3089\u3001\u554f\u984c\u304c\u767a\u751f\u3057\u306a\u3044\u7bc4\u56f2\u3067\u7a4d\u6975\u7684\u306b\u4f7f\u3063\u3066\u3044\u304d\u305f\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>\u305c\u3072\u6709\u7528\u306agem\u3092\u6d3b\u7528\u3057\u3066\u3001\u751f\u7523\u6027\u306e\u9ad8\u3044\u958b\u767a\u3092\u884c\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rails\u306e\u30a2\u30d7\u30ea\u306b\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u3092\u4ed8\u3051\u305f\u3044\u3051\u3069\u3069\u3046\u3084\u308b\u306e\uff1f 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