I'm trying to set up a self-referential relationship, as described in
this great video -
http://railscasts.com/episodes/163-self-referential-association
- and it's mostly working, but not entirely.
My self-referential relationship describes relationships between
people using the foreign keys person and related_person in class
Relationship both associating to the class Person
My problem is that when I update related_person_id for a specific
relationship the associated object relationship.related_person is not
updated. Related_person_id in relationship has an updated value,
while relationship.related_person.id has the old value.
What is wrong in my declarations ??
They are as follows
Class Person
has_many :relationships, :dependent=>:destroy, :autosave=>true
has_many :people, :through
=> :relationships, :source=>:person, :uniq=>true
has_many :related_people, :through
=> :relationships, :source=>:related_person, :uniq=>true
Class Relationship
belongs_to :person
belongs_to :related_person, :class_name => 'Person',:foreign_key
=>'related_person_id'
Table relationships
class CreateRelationships < ActiveRecord::Migration
def self.up
create_table :relationships do |t|
t.integer :person_id, :default=> nil
t.integer :related_person_id, :default=> nil
t.string :person_role, :limit=>80
t.string :related_person_role, :limit=>80
t.integer :family_id, :default=> nil
t.integer :event_id, :default=> nil
t.integer :user_id, :default=> nil
t.integer :archive_id, :default=> nil
t.timestamps
end
add_index :relationships, :person_id
add_index :relationships, :related_person_id
add_index :relationships, :archive_id
add_index :relationships, :person_role, :index =>
true
add_index :relationships, :related_person_role, :index => true
end
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