Learn by Doing wrote: > This question regards the Composite Primary Keys gem > (http://compositekeys.rubyforge.org/) : > > Once I use set_primary_keys, should I also use > > validates_uniqueness_of to ensure that the composite primary key is > unique
You could, but remember that the DB will catch that in any case. > and > > attr_readonly to ensure that the attributes in the primary key would > not be overwritten? Depends. If you're using a composite key, presumably it's built up from domain data, so in many cases, you wouldn't want to make it read-only. What is your data like that you think you need this? > > Thanks. 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 -~----------~----~----~----~------~----~------~--~---
