Category Load (0.2ms) SELECT "categories".* FROM "categories" ORDER BY name Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."category_id" = 3 Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."category_id" = 1 Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."category_id" = 5 Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."category_id" = 4 Product Load (0.3ms) SELECT "products".* FROM "products" WHERE "products"."category_id" = 2
Full article: http://railscasts.com/episodes/372-bullet?language=ja&vie...
