Exception: ActiveRecord::HasAndBelongsToManyAssociationForeignKeyNeeded

Inherits:

ActiveRecordError

• Object
• StandardError
• ActiveRecordError
• ActiveRecord::HasAndBelongsToManyAssociationForeignKeyNeeded

Defined in:

activerecord/lib/active_record/associations.rb

Overview

:nodoc:

Instance Method Summary

• #initialize(reflection) ⇒ HasAndBelongsToManyAssociationForeignKeyNeeded constructor

  A new instance of HasAndBelongsToManyAssociationForeignKeyNeeded.

Constructor Details

#initialize(reflection) ⇒ HasAndBelongsToManyAssociationForeignKeyNeeded

Returns a new instance of HasAndBelongsToManyAssociationForeignKeyNeeded.

# File 'activerecord/lib/active_record/associations.rb', line 80

def initialize(reflection)
  super("Cannot create self referential has_and_belongs_to_many association on '#{reflection.class_name rescue nil}##{reflection.name rescue nil}'. :association_foreign_key cannot be the same as the :foreign_key.")
end