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Reverse order fix when using function for ActiveRecord::QueryMethods …

…Fixes #1697
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1 parent 45f9c2b commit c751bb1ac25c1b563cb55da2a25284f430e5e40e @smasry smasry committed with fxn Jul 27, 2011
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2 activerecord/lib/active_record/relation/query_methods.rb
@@ -312,7 +312,7 @@ def reverse_sql_order(order_query)
when String, Symbol
o.to_s.split(',').collect do |s|
s.strip!
- s.gsub!(/\sasc\Z/i, ' DESC') || s.gsub!(/\sdesc\Z/i, ' ASC') || s.concat(' DESC')
+ (s if s =~ /\(/) || s.gsub!(/\sasc\Z/i, ' DESC') || s.gsub!(/\sdesc\Z/i, ' ASC') || s.concat(' DESC')
end
else
o
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5 activerecord/test/cases/relations_test.rb
@@ -911,6 +911,11 @@ def test_default_scope_order_with_scope_order
assert_equal 'zyke', FastCar.order_using_old_style.limit(1).first.name
end
+ def test_order_with_function_and_last
+ authors = Author.scoped
+ assert_equal authors(:bob), authors.order( "id asc, MAX( organization_id, owned_essay_id)" ).last
+ end
+
def test_order_using_scoping
car1 = CoolCar.order('id DESC').scoping do
CoolCar.find(:first, :order => 'id asc')

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