Fix polymorphic has_one associations declared in an abstract class. Closes #8638.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7119 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

4 files changed, 23 insertions, 1 deletions

diff --git a/activerecord/test/fixtures/db_definitions/schema.rb b/activerecord/test/fixtures/db_definitions/schema.rb
index 3dc9a9b8a3..cdebcbbe5f 100644
--- a/activerecord/test/fixtures/db_definitions/schema.rb
+++ b/activerecord/test/fixtures/db_definitions/schema.rb
@@ -57,6 +57,10 @@ ActiveRecord::Schema.define do
   create_table :lock_without_defaults_cust, :force => true do |t|
     t.column :custom_lock_version, :integer
   end
+  
+  create_table :items, :force => true do |t|
+    t.column :name, :integer
+  end
 
   # For sqlite 3.1.0+, make a table with a autoincrement column
   if adapter_name == 'SQLite' and supports_autoincrement?
diff --git a/activerecord/test/fixtures/item.rb b/activerecord/test/fixtures/item.rb
new file mode 100644
index 0000000000..c2571dd7fb
--- /dev/null
+++ b/activerecord/test/fixtures/item.rb
@@ -0,0 +1,7 @@
+class AbstractItem < ActiveRecord::Base
+  self.abstract_class = true
+  has_one :tagging, :as => :taggable
+end
+
+class Item < AbstractItem
+end
diff --git a/activerecord/test/fixtures/items.yml b/activerecord/test/fixtures/items.yml
new file mode 100644
index 0000000000..31fd657df9
--- /dev/null
+++ b/activerecord/test/fixtures/items.yml
@@ -0,0 +1,4 @@
+dvd:
+  id: 1
+  name: Godfather
+  
\ No newline at end of file
diff --git a/activerecord/test/fixtures/taggings.yml b/activerecord/test/fixtures/taggings.yml
index 617210d604..2213b15494 100644
--- a/activerecord/test/fixtures/taggings.yml
+++ b/activerecord/test/fixtures/taggings.yml
@@ -15,4 +15,11 @@ fake:
   id: 3
   tag_id: 1
   taggable_id: 1
-  taggable_type: FakeModel
\ No newline at end of file
+  taggable_type: FakeModel
+
+godfather:
+  id: 4
+  tag_id: 1
+  taggable_id: 1
+  taggable_type: Item
+  
\ No newline at end of file