stevenbeales / mental-test

class CreateParticipants < ActiveRecord::Migration[5.1]

  def change

    create_table :participants, comment: 'Participants table' do |t|

      t.string :email, null: false, index: true, unique: true

      t.string :identifier, null: true, index: true, unique: true

      t.references :user, null: true, index: true

      t.timestamps null: false, default: -> { 'CURRENT_TIMESTAMP' }

    end 

  end

end