instance method `descends_from_active_record?`

Ruby on Rails 4.0.13

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:

descends_from_active_record?()

True if this isn’t a concrete subclass needing a STI type condition.

Source

# File activerecord/lib/active_record/inheritance.rb, line 35
      def descends_from_active_record?
        if self == Base
          false
        elsif superclass.abstract_class?
          superclass.descends_from_active_record?
        else
          superclass == Base || !columns_hash.include?(inheritance_column)
        end
      end

Defined in activerecord/lib/active_record/inheritance.rb line 35 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Inheritance::ClassMethods

Signature