db/migrate/20150207185617_create_matches.rb
class CreateMatches < ActiveRecord::Migration
def change
create_table :matches do |t|
t.belongs_to :home_player, index: true
t.belongs_to :away_player, index: true
t.belongs_to :victor, index: true
t.datetime :finalized_at
t.timestamps null: false
end
add_foreign_key :matches, :players, column: :home_player_id
add_foreign_key :matches, :players, column: :away_player_id
add_foreign_key :matches, :players, column: :victor_id
end
end