The beauty of a nested ':include' option [rails] [rubyonrails] [relationships] [associations] [activerecord]

Never been to DZone Snippets before? Snippets is a public source code repository. Easily build up your personal collection of code snippets, categorize them with tags / keywords, and share them with the world So you've got a lot of stuff, spread over a lot of tables, and now you want to scoop it all up and display it all in the same view - oh, and you don't want ActiveRecord to perform a bazillio

[hassylin]

　ネストされたモデルをoneクエリーで(:include)

[lizy]

複数の関連テーブルの内容を1回のSQLでとってくる方法