Exception: ActiveRecord::HasManyThroughAssociationPolymorphicSourceError

Inherits:
ActiveRecordError show all
Defined in:
activerecord/lib/active_record/associations.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(owner_class_name, reflection, source_reflection) ⇒ HasManyThroughAssociationPolymorphicSourceError

Returns a new instance of HasManyThroughAssociationPolymorphicSourceError


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# File 'activerecord/lib/active_record/associations.rb', line 20

def initialize(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.")
end