Exception: ActiveRecord::HasAndBelongsToManyAssociationForeignKeyNeeded

Inherits:

ActiveRecordError

Object
StandardError
ActiveRecordError
ActiveRecord::HasAndBelongsToManyAssociationForeignKeyNeeded

show all

Defined in:: activerecord/lib/active_record/associations.rb

Overview

:nodoc:

Instance Method Summary collapse

#initialize(reflection) ⇒ HasAndBelongsToManyAssociationForeignKeyNeeded constructor

A new instance of HasAndBelongsToManyAssociationForeignKeyNeeded.

Constructor Details

#initialize(reflection) ⇒ `HasAndBelongsToManyAssociationForeignKeyNeeded`

Returns a new instance of HasAndBelongsToManyAssociationForeignKeyNeeded.



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# File 'activerecord/lib/active_record/associations.rb', line 81

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