Chaining Named Scopes not working as intended

Question

I have 2 simple named scopes defined as such:

class Numbers < ActiveRecord::Base
  named_scope :even, :conditions => {:title => [\'2\',\'4\',\'6\']}         


        

Answer 1

It's an issue with how ActiveRecord handles scopes. When you apply multiple scopes, the results are joined together with AND. There is no option for using OR.

What you need to do instead is combine two result sets:

Numbers.even.all + Numbers.odd.all