Make Model.find(:first, ..) use relations

activerecord/lib/active_record/base.rb

@@ -645,7 +645,7 @@ def find(*args)
 
         case args.first
         when :first
-          find_initial(options)
+          construct_finder_arel_with_includes(options).first
         when :last
           find_last(options)
         when :all
@@ -1519,11 +1519,6 @@ def arel_table(table = nil)
       end
 
       private
-        def find_initial(options)
-          options.update(:limit => 1)
-          find_every(options).first
-        end
-
         def find_last(options)
           order = options[:order]
 
@@ -1540,7 +1535,7 @@ def find_last(options)
           end
 
           begin
-            find_initial(options.merge({ :order => order }))
+            construct_finder_arel_with_includes(options).order(order).first
           ensure
             scope[:order] = original_scoped_order if original_scoped_order
           end
@@ -1558,23 +1553,6 @@ def reverse_sql_order(order_query)
           }.join(',')
         end
 
-        def find_every(options)
-          include_associations = merge_includes(scope(:find, :include), options[:include])
-
-          if include_associations.any? && references_eager_loaded_tables?(options)
-            records = find_with_associations(options)
-          else
-            records = find_by_sql(construct_finder_sql(options))
-            if include_associations.any?
-              preload_associations(records, include_associations)
-            end
-          end
-
-          records.each { |record| record.readonly! } if options[:readonly]
-
-          records
-        end
-
         # Finder methods must instantiate through this method to work with the
         # single-table inheritance model that makes it possible to create
         # objects of different types from the same table.