db/migrate/20091017213757_add_missing_indexes_to_boards.rb


1
2
3
4
5
6
7
8
9

class AddMissingIndexesToBoards < ActiveRecord::Migration[4.2]
  def self.up
    add_index :boards, :last_message_id
  end

  def self.down
    remove_index :boards, :last_message_id
  end
end