instance method `attribute_method?`

Ruby on Rails 7.1.6

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:

attribute_method?(attribute)

Returns true if attribute is an attribute method and table exists, false otherwise.

class Person < ActiveRecord::Base
end

Person.attribute_method?('name')   # => true
Person.attribute_method?(:age=)    # => true
Person.attribute_method?(:nothing) # => false

Parameters

attribute req

Source

# File activerecord/lib/active_record/attribute_methods.rb, line 230
      def attribute_method?(attribute)
        super || (table_exists? && column_names.include?(attribute.to_s.delete_suffix("=")))
      end

Defined in activerecord/lib/active_record/attribute_methods.rb line 230 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::AttributeMethods::ClassMethods

Signature

Parameters