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 af9bbdd478..bb85af4634 100644 --- a/lib/arel/attributes/attribute.rb +++ b/lib/arel/attributes/attribute.rb @@ -16,6 +16,10 @@ module Arel def sum Nodes::Sum.new [self], Nodes::SqlLiteral.new('sum_id') end + + def maximum + Nodes::Max.new [self], Nodes::SqlLiteral.new('max_id') + end end class String < Attribute; end |