db/migrate/20150203043317_create_events.rb


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class CreateEvents < ActiveRecord::Migration
  def change
    enable_extension 'uuid-ossp' unless extension_enabled?('uuid-ossp')
    create_table :events, id: :uuid, default: 'uuid_generate_v4()' do |t|
      t.string :name
      t.json :data

      t.timestamps null: false
    end
  end
end