method

attribute_method?

v7.1.3.2 - Show latest stable - Class: ActiveRecord::AttributeMethods::ClassMethods

attribute_method?(attribute)

public

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

# File activerecord/lib/active_record/attribute_methods.rb, line 219
      def attribute_method?(attribute)
        super || (table_exists? && column_names.include?(attribute.to_s.delete_suffix("=")))
      end

attribute_method?

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