instance method `distinct`

Ruby on Rails 4.1.16

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

distinct()

Specifies whether the records should be unique or not.

class Person < ActiveRecord::Base
  has_many :pets
end

person.pets.select(:name)
# => [
#      #<Pet name: "Fancy-Fancy">,
#      #<Pet name: "Fancy-Fancy">
#    ]

person.pets.select(:name).distinct
# => [#<Pet name: "Fancy-Fancy">]

Source

# File activerecord/lib/active_record/associations/collection_proxy.rb, line 684
      def distinct
        @association.distinct
      end

Defined in activerecord/lib/active_record/associations/collection_proxy.rb line 684 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Associations::CollectionProxy

Signature