Dan Smith wrote: > Hi, I have a model which contains a boolean value. I would like to set > a validation which only allows this value to be set to true for one > record at a time in the table. Is it possible to do this with > validates_uniqueness? or is there another way?
validates_uniqueness_of :is_root, :if => :is_root should work. -- Rails Wheels - Find Plugins, List & Sell Plugins - http://railswheels.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 -~----------~----~----~----~------~----~------~--~---
