Ticket #1391: has_one_association.patch

activerecord/lib/active_record/associations/has_one_association.rb

@@ -46 +46 @@
-        end
-
-        def construct_sql
-          @finder_sql = "#{@association_class.table_name}.#{@association_class_primary_key_name} = 
+           @finder_sql = "#{@association_class.table_name}.#{@association_class_primary_key_name} #{@owner.quoted_id == "NULL" ? "IS " : " = "}
-        end
-    end
-  end