Relation#many? shoud load the records if there's a LIMIT

activerecord/lib/active_record/relation.rb

@@ -250,7 +250,7 @@ module ActiveRecord
       if block_given?
         to_a.many? { |*block_args| yield(*block_args) }
       else
-        size > 1
+        @relation.send(:taken).present? ? to_a.many? : size > 1
       end
     end
 

activerecord/test/cases/relations_test.rb

@@ -471,4 +471,10 @@ class RelationTest < ActiveRecord::TestCase
     assert posts.loaded?
   end
 
+  def test_many_with_limits
+    posts = Post.scoped
+
+    assert posts.many?
+    assert ! posts.limit(1).many?
+  end
 end