Avoid Base#attributes when saving / creating records. Closes #10978 [adymo]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8770 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/base.rb

@@ -2426,11 +2426,11 @@ def attributes_protected_by_default
       # Returns a copy of the attributes hash where all the values have been safely quoted for use in
       # an SQL statement.
       def attributes_with_quotes(include_primary_key = true, include_readonly_attributes = true)
-        quoted = attributes.inject({}) do |result, (name, value)|
+        quoted = {}
+        @attributes.each_pair do |name, value|
           if column = column_for_attribute(name)
-            result[name] = quote_value(value, column) unless !include_primary_key && column.primary
+            quoted[name] = quote_value(read_attribute(name), column) unless !include_primary_key && column.primary
           end
-          result
         end
         include_readonly_attributes ? quoted : remove_readonly_attributes(quoted)
       end