instance method `attr_readonly`

Ruby on Rails 4.1.16

Since v3.2.22.5

Available in: v3.2.22.5 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:

attr_readonly(*attributes)

Attributes listed as readonly will be used to create a new record but update operations will ignore these fields.

Parameters

attributes rest

Source

# File activerecord/lib/active_record/readonly_attributes.rb, line 14
      def attr_readonly(*attributes)
        self._attr_readonly = Set.new(attributes.map { |a| a.to_s }) + (self._attr_readonly || [])
      end

Defined in activerecord/lib/active_record/readonly_attributes.rb line 14 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ReadonlyAttributes::ClassMethods

Signature

Parameters