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2006 Sep 11
0
validates_uniqueness_of :number by the year in a DateTime column
Hello all,
I have a class Ticket < ActiveRecord::Base which has a property called
:number and a property called :samples_date.
a ticket number has to be unique over the same year. the year is given
by the property called :samples_date
I''m trying to validate the uniqueness of :number based on the year from
the :samples_date property.
i would like to specify the condition somehow in the :scope of the
validates_...