Revert "Fixed bug with polymorphic has_one :as pointing to an STI record"

[#2594 state:open]

This reverts commit 99c103be11.

activerecord/lib/active_record/associations/has_one_association.rb

@@ -90,7 +90,7 @@ module ActiveRecord
             when @reflection.options[:as]
               @finder_sql = 
                 "#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_id = #{owner_quoted_id} AND " +
-                "#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_type = #{@owner.class.quote_value(@owner.class.name.to_s)}"
+                "#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_type = #{@owner.class.quote_value(@owner.class.base_class.name.to_s)}"
             else
               @finder_sql = "#{@reflection.quoted_table_name}.#{@reflection.primary_key_name} = #{owner_quoted_id}"
           end

activerecord/test/cases/associations/has_one_associations_test.rb

@@ -2,11 +2,9 @@ require "cases/helper"
 require 'models/developer'
 require 'models/project'
 require 'models/company'
-require 'models/sponsor'
-require 'models/organization'
 
 class HasOneAssociationsTest < ActiveRecord::TestCase
-  fixtures :accounts, :companies, :developers, :projects, :developers_projects, :organizations, :sponsors
+  fixtures :accounts, :companies, :developers, :projects, :developers_projects
 
   def setup
     Account.destroyed_account_ids.clear
@@ -308,9 +306,4 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
       Firm.find(@firm.id, :include => :account).save!
     end
   end
-
-  def test_polymorphic_sti
-    assert_equal organizations(:sponsorable), sponsors(:org_sponsor).sponsorable
-    assert_equal sponsors(:org_sponsor),      organizations(:sponsorable).sponsor
-  end
 end

activerecord/test/fixtures/organizations.yml

@@ -2,6 +2,4 @@ nsa:
   name: No Such Agency
 discordians:
   name: Discordians
-sponsorable:
-  name: We Need Money
-  type: SponsorableOrganization
+

activerecord/test/fixtures/sponsors.yml

@@ -7,5 +7,3 @@ boring_club_sponsor_for_groucho:
 crazy_club_sponsor_for_groucho:
   sponsor_club: crazy_club
   sponsorable: some_other_guy (Member)
-org_sponsor:
-  sponsorable: sponsorable (SponsorableOrganization)

activerecord/test/models/organization.rb

@@ -2,7 +2,3 @@ class Organization < ActiveRecord::Base
   has_many :member_details
   has_many :members, :through => :member_details
 end
-
-class SponsorableOrganization < Organization
-  has_one  :sponsor, :as => :sponsorable
-end

activerecord/test/schema/schema.rb

@@ -284,7 +284,6 @@ ActiveRecord::Schema.define do
 
   create_table :organizations, :force => true do |t|
     t.string :name
-    t.string :type
   end
 
   create_table :owners, :primary_key => :owner_id ,:force => true do |t|
@@ -390,7 +389,7 @@ ActiveRecord::Schema.define do
   create_table :sponsors, :force => true do |t|
     t.integer :club_id
     t.integer :sponsorable_id
-    t.string  :sponsorable_type
+    t.string :sponsorable_type
   end
 
   create_table :subscribers, :force => true, :id => false do |t|