{"author_name":"griefworker","width":"100%","url":"https://tnakamura.hatenablog.com/entry/20120105/activerecord_where_or_query","version":"1.0","published":"2012-01-05 00:00:00","categories":["Ruby"],"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_title":"present","author_url":"https://blog.hatena.ne.jp/griefworker/","blog_url":"https://tnakamura.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F20120105%2Factiverecord_where_or_query\" title=\"Rails3 \u306e ActiveRecord \u3067 WHERE \u90e8\u5206\u306b OR \u3092\u542b\u3093\u3060\u30af\u30a8\u30ea\u3092\u767a\u884c\u3059\u308b\u65b9\u6cd5 - present\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","image_url":null,"description":"Rails3 \u306e ActiveRecord \u3067\u3001WHERE \u90e8\u5206\u306b OR \u3092\u4f7f\u3063\u305f\u30af\u30a8\u30ea\u3092\u767a\u884c\u3059\u308b\u306b\u306f\u3001ActiveRecord::Base#arel_table \u3092\u4f7f\u3063\u3066\u3001\u6761\u4ef6\u3092\u7d44\u307f\u7acb\u3066\u308c\u3070\u3044\u3044\u3002 # \u30d5\u30a9\u30ed\u30fc\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u53d6\u5f97\u3059\u308b def user_stream(user) friendships = Friendship.where(:user_id => user.id) filters = nil friendships.each do |f| filter = Activity.arel_table[:user_id].eq(f.target.id) if fi\u2026","title":"Rails3 \u306e ActiveRecord \u3067 WHERE \u90e8\u5206\u306b OR \u3092\u542b\u3093\u3060\u30af\u30a8\u30ea\u3092\u767a\u884c\u3059\u308b\u65b9\u6cd5","type":"rich"}