1class CreateDispositions < ActiveRecord::Migration
 2  def change
 3    create_table :dispositions, id: :uuid, default: 'uuid_generate_v4()' do |t|
 4      t.string :fingerprint
 5      t.integer :state
 6
 7      t.timestamps null: false
 8    end
 9    add_index :dispositions, :fingerprint, unique: true
10  end
11end