scinote-web/db/migrate/20150723134648_add_confirmable_to_devise.rb

class AddConfirmableToDevise < ActiveRecord::Migration
  def up
    add_column :users, :confirmation_token, :string
    add_column :users, :confirmed_at, :datetime
    add_column :users, :confirmation_sent_at, :datetime
    add_column :users, :unconfirmed_email, :string
    add_index :users, :confirmation_token, unique: true

    # SQlite All existing user accounts should be able to log in after this.
    execute("UPDATE users SET confirmed_at = date('now')")

    # For postgres
    #execute("UPDATE users SET confirmed_at = NOW()")
  end

  def down
    remove_columns :users, :confirmation_token, :confirmed_at, :confirmation_sent_at
    remove_columns :users, :unconfirmed_email
  end
end