Don't add non-new records back to the target array after loading targ…

…ets on associations, as that makes destroy_all destroy any created records that don't match the scope destroy_all is called on

Signed-off-by: Michael Koziarski <michael@koziarski.com>

activerecord/lib/active_record/associations/association_collection.rb

@@ -361,7 +361,7 @@ def load_target
                     else
                       f
                     end
-                  end + @target
+                  end + @target.find_all {|t| t.new_record?}
                 else
                   @target = find_target
                 end

activerecord/test/cases/associations/has_many_associations_test.rb

@@ -866,6 +866,17 @@ def test_destroy_all
     assert companies(:first_firm).clients_of_firm(true).empty?, "37signals has no clients after destroy all and refresh"
   end
 
+  def test_destroy_all_with_creates_and_scope_that_doesnt_match_created_records
+    company = companies(:first_firm)
+    unloaded_client_matching_scope = companies(:second_client)
+    created_client_matching_scope = company.clients_of_firm.create!(:name => "Somesoft")
+    created_client_not_matching_scope = company.clients_of_firm.create!(:name => "OtherCo")
+    destroyed = company.clients_of_firm.with_oft_in_name.destroy_all
+    assert destroyed.include?(unloaded_client_matching_scope), "unloaded clients matching the scope destroy_all on should have been destroyed"
+    assert destroyed.include?(created_client_matching_scope), "loaded clients matching the scope destroy_all on should have been destroyed"
+    assert !destroyed.include?(created_client_not_matching_scope), "loaded clients not matching the scope destroy_all on should not have been destroyed"
+  end
+
   def test_dependence
     firm = companies(:first_firm)
     assert_equal 2, firm.clients.size

activerecord/test/models/company.rb

@@ -12,6 +12,8 @@ class Company < AbstractCompany
   has_many :contracts
   has_many :developers, :through => :contracts
 
+  named_scope :with_oft_in_name, :conditions => "name LIKE '%oft%'"
+
   def arbitrary_method
     "I am Jack's profound disappointment"
   end