method
count
v4.2.7 -
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- Class:
ActiveRecord::Associations::CollectionProxy
count(column_name = nil, options = {})public
Count all records using SQL.
class Person < ActiveRecord::Base has_many :pets end person.pets.count # => 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-Choo", person_id: 1> # ]