Displaying 1 result from an estimated 1 matches for "association_foreign".
2007 Oct 22
1
self-referential habtm: why are my keys null?
...rent_id, :integer
t.column :child_id, :integer
end
end
def self.down
drop_table :nodes_nodes
end
end
And here is the model:
class Node < ActiveRecord::Base
has_and_belongs_to_many :parents, :foreign_key => :child_id,
:association_foreign_key
=> :parent_id,
:class_name => ''Node'';
has_and_belongs_to_many :children, :foreign_key => :parent_id,
:association_foreign_key
=> :child_id,
:class_na...