find(*args, &block)
Instance Public methods
Finds an object in the collection responding to the id. Uses
the same rules as ActiveRecord::Base.find. Returns
ActiveRecord::RecordNotFound error if the object cannot be
found.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | class Person < ActiveRecord::Base has_many :petsendperson.pets# => [# #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>,# #<Pet id: 2, name: "Spook", person_id: 1>,# #<Pet id: 3, name: "Choo-Choo", person_id: 1># ]person.pets.find(1) # => #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>person.pets.find(4) # => ActiveRecord::RecordNotFound: Couldn't find Pet with id=4person.pets.find(2) { |pet| pet.name.downcase! }# => #<Pet id: 2, name: "fancy-fancy", person_id: 1>person.pets.find(2, 3)# => [# #<Pet id: 2, name: "Spook", person_id: 1>,# #<Pet id: 3, name: "Choo-Choo", person_id: 1># ] |
Please login to continue.