box-o-sand/map-mash/db/migrate/20120309130609_create_mash_tournaments.rb

class CreateMashTournaments < ActiveRecord::Migration
  def self.up
    create_table :mash_tournaments do |t|
      t.references :requester, :null => false
      t.integer :total_rounds, :default => 1

      t.timestamps
    end

    add_index :mash_tournaments, [:requester_id]
    add_index :mash_tournaments, [:total_rounds]
  end

  def self.down
    remove_index :mash_tournaments, [:total_rounds]
    remove_index :mash_tournaments, [:requester_id]
    drop_table :mash_tournaments
  end
end