Evan Chaney wrote: >> That way you can't save a conversation without assigning it a leader, >> but the leader doesn't have to be saved yet. > > Well, that�s where I�m at right now. I�d like to be in a situation where > Conversation validates that it has a Leader and Leader validates it has > a Conversation before either is saved. >
Just validate that there are keys: Conversation validates_presence_of :leader, Leader validates_presence_of :conversation (perhaps). Do the rest with foreign key constraints in the DB. As you've discovered, the application layer is the wrong place for this sort of simple integrity check. > -- > > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. Best, -- Marnen Laibow-Koser http://www.marnen.org [email protected] -- Posted via http://www.ruby-forum.com/. -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

