Hi I don''t see how to write correctly conditions for the following query : association: client has_many :orders I would to get in one query : all clients with NO ORDER + clients with orders where Today IS NOT in range (order.start_date... order.end_date) is it possible or should I write 2 queries then join the resulting arrays ? thanks erwin -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.