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view db/migrate/037_add_project_identifier.rb @ 447:565f82b8ff9c feature_36

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added the uniq option to the publicatioin models to remove duplicate authors
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Wed, 08 Jun 2011 13:37:47 +0100
parents 513646585e45
children
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class AddProjectIdentifier < ActiveRecord::Migration
  def self.up
    add_column :projects, :identifier, :string, :limit => 20
  end

  def self.down
    remove_column :projects, :identifier
  end
end