diff options
Diffstat (limited to 'lib/arel/attributes/attribute.rb')
| -rw-r--r-- | lib/arel/attributes/attribute.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/arel/attributes/attribute.rb b/lib/arel/attributes/attribute.rb index 464d78188a..af9bbdd478 100644 --- a/lib/arel/attributes/attribute.rb +++ b/lib/arel/attributes/attribute.rb @@ -12,6 +12,10 @@ module Arel def count distinct = false Nodes::Count.new [self], distinct end + + def sum + Nodes::Sum.new [self], Nodes::SqlLiteral.new('sum_id') + end end class String < Attribute; end |