Suppose I have the join as below. Is there a way to make it only destroy the field_map only when there is no longer a reference to it ? has_many :field_map_joins, :dependent => :destroy has_many :field_maps, :through => :field_map_joins, :dependent => :destroy -- 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.