Use `public_send` instead of just use `send`.

activerecord/lib/active_record/relation/delegation.rb

@@ -68,7 +68,7 @@ def #{method}(*args, &block)
               RUBY
             else
               define_method method do |*args, &block|
-                scoping { @klass.send(method, *args, &block) }
+                scoping { @klass.public_send(method, *args, &block) }
               end
             end
           end
@@ -87,10 +87,10 @@ def delegate(method, opts = {})
       def method_missing(method, *args, &block)
         if @klass.respond_to?(method)
           self.class.delegate_to_scoped_klass(method)
-          scoping { @klass.send(method, *args, &block) }
+          scoping { @klass.public_send(method, *args, &block) }
         elsif arel.respond_to?(method)
           self.class.delegate method, :to => :arel
-          arel.send(method, *args, &block)
+          arel.public_send(method, *args, &block)
         else
           super
         end
@@ -118,9 +118,9 @@ def respond_to?(method, include_private = false)
 
     def method_missing(method, *args, &block)
       if @klass.respond_to?(method)
-        scoping { @klass.send(method, *args, &block) }
+        scoping { @klass.public_send(method, *args, &block) }
       elsif arel.respond_to?(method)
-        arel.send(method, *args, &block)
+        arel.public_send(method, *args, &block)
       else
         super
       end

activerecord/test/cases/relation/delegation_test.rb

@@ -10,15 +10,15 @@ def call_method(target, method)
       method_arity = target.to_a.method(method).arity
 
       if method_arity.zero?
-        target.send(method)
+        target.public_send(method)
       elsif method_arity < 0
         if method == :shuffle!
-          target.send(method)
+          target.public_send(method)
         else
-          target.send(method, 1)
+          target.public_send(method, 1)
         end
        elsif method_arity == 1
-        target.send(method, 1)
+        target.public_send(method, 1)
       else
         raise NotImplementedError
       end