Allow building and then later saving has_many :through records, such that the join record is automatically saved too. This requires the :inverse_of option to be set on the source association in the join model. See the CHANGELOG for details. [#4329 state:resolved]

3 files changed, 5 insertions, 1 deletions

diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index a18b9e44df..cc3a4f5f9d 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -1,5 +1,7 @@
 class Person < ActiveRecord::Base
   has_many :readers
+  has_one :reader
+
   has_many :posts, :through => :readers
   has_many :posts_with_no_comments, :through => :readers, :source => :post, :include => :comments, :conditions => 'comments.id is null'
 
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 1bbcab3a39..a342aaf60b 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -95,6 +95,7 @@ class Post < ActiveRecord::Base
   has_many :readers
   has_many :readers_with_person, :include => :person, :class_name => "Reader"
   has_many :people, :through => :readers
+  has_many :single_people, :through => :readers
   has_many :people_with_callbacks, :source=>:person, :through => :readers,
               :before_add    => lambda {|owner, reader| log(:added,   :before, reader.first_name) },
               :after_add     => lambda {|owner, reader| log(:added,   :after,  reader.first_name) },
diff --git a/activerecord/test/models/reader.rb b/activerecord/test/models/reader.rb
index 27527bf566..0207a2bd92 100644
--- a/activerecord/test/models/reader.rb
+++ b/activerecord/test/models/reader.rb
@@ -1,4 +1,5 @@
 class Reader < ActiveRecord::Base
   belongs_to :post
-  belongs_to :person
+  belongs_to :person, :inverse_of => :readers
+  belongs_to :single_person, :class_name => 'Person', :foreign_key => :person_id, :inverse_of => :reader
 end