Hi Nicholas,

Thanks for your response.  What I meant was that validation should not 
compare the object that is being updated against its own existing copy. 
For example, I am editting an existing object:

   [:aspect => "Aspect-A", :user_id => 5, :third_field => "morning"].

Now, the object is unique in the database according to

   validates_uniqueness_of :aspect, :scope => :user_id

That's all good.  However, when I update the object with the following 
statements:

   self.third_field = "night"
   save!

Rails returns an error:

   ActiveRecord::RecordInvalid: Validation failed:  Aspect has
already been taken

Why?  I am just trying to update an existing object, not create a new 
one that would violate the uniqueness validation.

Thanks.
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