db/migrate/20091017212644_add_missing_indexes_to_messages.rb


1
2
3
4
5
6
7
8
9
10
11

class AddMissingIndexesToMessages < ActiveRecord::Migration[4.2]
  def self.up
    add_index :messages, :last_reply_id
    add_index :messages, :author_id
  end

  def self.down
    remove_index :messages, :last_reply_id
    remove_index :messages, :author_id
  end
end