destroy_all()
Instance Public methods
Deletes the records of the collection directly from the database ignoring
the :dependent option. It invokes before_remove,
after_remove , before_destroy and
after_destroy callbacks.
class Person < ActiveRecord::Base
has_many :pets
end
person.pets.size # => 3
person.pets
# => [
# #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>,
# #<Pet id: 2, name: "Spook", person_id: 1>,
# #<Pet id: 3, name: "Choo-Ch
