diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/associations/has_many_through_association.rb | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index c352a009d6..8f4ac104ad 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -47,7 +47,12 @@ module ActiveRecord [:push, :concat, :create, :build].each do |method| alias_method method, :<< end - + + # Calculate sum using SQL, not Enumerable + def sum(*args, &block) + calculate(:sum, *args, &block) + end + protected def method_missing(method, *args, &block) if @target.respond_to?(method) || (!@reflection.klass.respond_to?(method) && Class.respond_to?(method)) |