before_eager.rb

2.0.0p247 :001 > v = Vehicle.first
  Vehicle Load (1.1ms)  SELECT "vehicles".* FROM "garages" LIMIT 1
 => #<Vehicle id: 3, model_id: 1, year: 2013, color_id: 9, user_id: 2, created_at: "2013-07-06 20:03:52", updated_at: "2013-07-06 20:03:52">
2.0.0p247 :002 > v.model
  Model Load (1.0ms)  SELECT "models".* FROM "models" WHERE "models"."id" = 1 LIMIT 1
 => #<Model id: 1, name: "e90 M3 Sedan", make_id: 12, created_at: "2013-05-30 05:05:21", updated_at: "2013-07-15 03:58:05">
2.0.0p247 :003 > v.make
  Make Load (0.7ms)  SELECT "makes".* FROM "makes" WHERE "makes"."id" = 12 LIMIT 1
 => #<Make id: 12, name: "BMW", created_at: "2013-05-30 05:06:18", updated_at: "2013-05-30 05:06:18">
2.0.0p247 :004 > v.color
  Color Load (0.8ms)  SELECT "colors".* FROM "colors" WHERE "colors"."id" = 9 LIMIT 1
 => #<Color id: 9, name: "Alpine White", created_at: "2013-05-30 05:05:22", updated_at: "2013-05-30 05:05:22">