search for: validates_uniqeness_of

Hello, I am trying to understand usage of validates_uniqeness_of. Say I have, two column ''name'' and ''email'' in my table users three unique key is possible for these two columns 1. name 2. email 3. name and email together My question is, if I write validates_uniqueness_of :name, :email what uniqueness is it going to apply, 1...

How do I check if an entry exists before saving? Someone one told me to use the method find_or_create (or something like that) but it didn''t work because I think the version of rails that we have is not the most recent. I need a way to check if an id exists in the db before saving. Any suggestions? Thank you -- Posted via http://www.ruby-forum.com/.