diff options
| -rw-r--r-- | lib/arel/nodes/function.rb | 1 | ||||
| -rw-r--r-- | test/nodes/test_sum.rb | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/arel/nodes/function.rb b/lib/arel/nodes/function.rb index 733a00df46..182dfa7329 100644 --- a/lib/arel/nodes/function.rb +++ b/lib/arel/nodes/function.rb @@ -3,6 +3,7 @@ module Arel class Function < Arel::Nodes::Node include Arel::Predications include Arel::WindowPredications + include Arel::OrderPredications attr_accessor :expressions, :alias, :distinct def initialize expr, aliaz = nil diff --git a/test/nodes/test_sum.rb b/test/nodes/test_sum.rb index d65cd31d4b..d387e7f9ef 100644 --- a/test/nodes/test_sum.rb +++ b/test/nodes/test_sum.rb @@ -21,4 +21,13 @@ describe Arel::Nodes::Sum do assert_equal 2, array.uniq.size end end + + describe 'order' do + it 'should order the sum' do + table = Arel::Table.new :users + table[:id].sum.desc.to_sql.must_be_like %{ + SUM("users"."id") DESC + } + end + end end |