Merge remote branch 'rails/master' into identity_map

Conflicts:
	activerecord/lib/active_record/associations/association_proxy.rb
	activerecord/lib/active_record/autosave_association.rb
	activerecord/lib/active_record/base.rb
	activerecord/lib/active_record/persistence.rb

6 files changed, 52 insertions, 2 deletions

diff --git a/activerecord/test/models/author.rb b/activerecord/test/models/author.rb
index 34bfd2d881..fd6d2b384a 100644
--- a/activerecord/test/models/author.rb
+++ b/activerecord/test/models/author.rb
@@ -26,6 +26,10 @@ class Author < ActiveRecord::Base
   has_many :comments_with_order_and_conditions, :through => :posts, :source => :comments, :order => 'comments.body', :conditions => "comments.body like 'Thank%'"
   has_many :comments_with_include, :through => :posts, :source => :comments, :include => :post
 
+  has_many :first_posts
+  has_many :comments_on_first_posts, :through => :first_posts, :source => :comments, :order => 'posts.id desc, comments.id asc'
+  has_one  :comment_on_first_posts,  :through => :first_posts, :source => :comments, :order => 'posts.id desc, comments.id asc'
+
   has_many :thinking_posts, :class_name => 'Post', :conditions => { :title => 'So I was thinking' }, :dependent => :delete_all
   has_many :welcome_posts,  :class_name => 'Post', :conditions => { :title => 'Welcome to the weblog' }
 
@@ -73,6 +77,10 @@ class Author < ActiveRecord::Base
   has_many :categorizations
   has_many :categories, :through => :categorizations
 
+  has_many :special_categorizations
+  has_many :special_categories, :through => :special_categorizations, :source => :category
+  has_one  :special_category,   :through => :special_categorizations, :source => :category
+
   has_many :categories_like_general, :through => :categorizations, :source => :category, :class_name => 'Category', :conditions => { :name => 'General' }
 
   has_many :categorized_posts, :through => :categorizations, :source => :post
diff --git a/activerecord/test/models/categorization.rb b/activerecord/test/models/categorization.rb
index 10594323ff..fdb0a11540 100644
--- a/activerecord/test/models/categorization.rb
+++ b/activerecord/test/models/categorization.rb
@@ -2,4 +2,16 @@ class Categorization < ActiveRecord::Base
   belongs_to :post
   belongs_to :category
   belongs_to :author
-end
\ No newline at end of file
+
+  belongs_to :author_using_custom_pk,  :class_name => 'Author', :foreign_key => :author_id, :primary_key => :author_address_extra_id
+  has_many   :authors_using_custom_pk, :class_name => 'Author', :foreign_key => :id,        :primary_key => :category_id
+end
+
+class SpecialCategorization < ActiveRecord::Base
+  self.table_name = 'categorizations'
+
+  default_scope where(:special => true)
+
+  belongs_to :author
+  belongs_to :category
+end
diff --git a/activerecord/test/models/contract.rb b/activerecord/test/models/contract.rb
index 606c99cd4e..94fd48e12a 100644
--- a/activerecord/test/models/contract.rb
+++ b/activerecord/test/models/contract.rb
@@ -1,4 +1,4 @@
 class Contract < ActiveRecord::Base
   belongs_to :company
   belongs_to :developer
-end
\ No newline at end of file
+end
diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index 951ec93c53..bee89de042 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -12,6 +12,7 @@ class Person < ActiveRecord::Base
 
   belongs_to :primary_contact, :class_name => 'Person'
   has_many :agents, :class_name => 'Person', :foreign_key => 'primary_contact_id'
+  has_many :agents_of_agents, :through => :agents, :source => :agents
   belongs_to :number1_fan, :class_name => 'Person'
 
   scope :males, :conditions => { :gender => 'M' }
diff --git a/activerecord/test/models/pet.rb b/activerecord/test/models/pet.rb
index a8bf94dd86..113826756a 100644
--- a/activerecord/test/models/pet.rb
+++ b/activerecord/test/models/pet.rb
@@ -1,5 +1,17 @@
 class Pet < ActiveRecord::Base
+
+  attr_accessor :current_user
+
   set_primary_key :pet_id
   belongs_to :owner, :touch => true
   has_many :toys
+
+  class << self
+    attr_accessor :after_destroy_output
+  end
+
+  after_destroy do |record|
+    Pet.after_destroy_output = record.current_user
+  end
+
 end
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 61e782ff14..974e87d2bf 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -69,6 +69,16 @@ class Post < ActiveRecord::Base
   has_many :categorizations, :foreign_key => :category_id
   has_many :authors, :through => :categorizations
 
+  has_many :categorizations_using_author_id, :primary_key => :author_id, :foreign_key => :post_id, :class_name => 'Categorization'
+  has_many :authors_using_author_id, :through => :categorizations_using_author_id, :source => :author
+
+  has_many :taggings_using_author_id, :primary_key => :author_id, :as => :taggable, :class_name => 'Tagging'
+  has_many :tags_using_author_id, :through => :taggings_using_author_id, :source => :tag
+
+  has_many :standard_categorizations, :class_name => 'Categorization', :foreign_key => :post_id
+  has_many :author_using_custom_pk,  :through => :standard_categorizations
+  has_many :authors_using_custom_pk, :through => :standard_categorizations
+
   has_many :readers
   has_many :readers_with_person, :include => :person, :class_name => "Reader"
   has_many :people, :through => :readers
@@ -119,3 +129,10 @@ class PostForAuthor < ActiveRecord::Base
   cattr_accessor :selected_author
   default_scope lambda { where(:author_id => PostForAuthor.selected_author) }
 end
+
+class FirstPost < ActiveRecord::Base
+  self.table_name = 'posts'
+  default_scope where(:id => 1)
+  has_many :comments, :foreign_key => :post_id
+  has_one  :comment,  :foreign_key => :post_id
+end