yay, more oracle hacks

lib/arel/visitors/oracle.rb

@@ -54,11 +54,11 @@ module Arel
             /DISTINCT.*FIRST_VALUE/ === projection
           end
         end
-        orders   = o.orders
+        orders   = o.orders.map { |x| visit x }.join(', ').split(',')
         o.orders = []
         orders.each_with_index do |order, i|
           o.orders <<
-            Nodes::SqlLiteral.new("alias_#{i}__ #{'DESC' if /\bdesc$/i === order}")
+            Nodes::SqlLiteral.new("alias_#{i}__#{' DESC' if /\bdesc$/i === order}")
         end
         o
       end

spec/arel/visitors/oracle_spec.rb

@@ -31,6 +31,18 @@ module Arel
         check sql.should == sql2
       end
 
+      it 'splits orders with commas' do
+        # *sigh*
+        select = "DISTINCT foo.id, FIRST_VALUE(projects.name) OVER (foo) AS alias_0__"
+        stmt = Nodes::SelectStatement.new
+        stmt.cores.first.projections << Nodes::SqlLiteral.new(select)
+        stmt.orders << Nodes::SqlLiteral.new('foo, bar')
+        sql = @visitor.accept(stmt)
+        sql.should be_like %{
+          SELECT #{select} ORDER BY alias_0__, alias_1__
+        }
+      end
+
       describe 'Nodes::SelectStatement' do
         describe 'limit' do
           it 'adds a rownum clause' do