From: Frank Tsao <shuhao.tsao@...>
Date: 2008-04-14T01:16:42+09:00
Subject: Re: How to check record duplication before saving?

Thank you everyone, I have found out the solution which is 
"validates_uniqueness_of". The statement as below,


validates_uniqueness_of :A, :scope => :B



Frank
-- 
Posted via http://www.ruby-forum.com/.