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Exception: ActiveRecord::HasManyThroughAssociationPolymorphicSourceError

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ActiveRecordError, StandardError
Instance Chain:
self, ActiveRecordError, StandardError
Inherits: ActiveRecord::ActiveRecordError
Defined in: activerecord/lib/active_record/associations/errors.rb

Class Method Summary

Constructor Details

.new(owner_class_name = nil, reflection = nil, source_reflection = nil) ⇒ HasManyThroughAssociationPolymorphicSourceError

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# File 'activerecord/lib/active_record/associations/errors.rb', line 105



def initialize(owner_class_name = nil, reflection = nil, source_reflection = nil)
  if owner_class_name && reflection && source_reflection
    super("Cannot have a has_many :through association '#{owner_class_name}##{reflection.name}' on the polymorphic object '#{source_reflection.class_name}##{source_reflection.name}' without 'source_type'. Try adding 'source_type: \"#{reflection.name.to_s.classify}\"' to 'has_many :through' definition.")
  else
    super("Cannot have a has_many :through association.")
  end
end