Merge pull request rails#5461 from yakko/master

relation .present? and .blank? should not query SELECT COUNT(DISTINCT id)
JEG2 · Mar 16, 2012 · fa7a3aa · fa7a3aa
2 parents e61e0c0 + 9d52b45
commit fa7a3aa
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
@@ -507,6 +507,10 @@ def with_default_scope #:nodoc:
       end
     end
 
+    def blank?
+      to_a.blank?
+    end
+
     private
 
     def references_eager_loaded_tables?