box-o-sand/rails/map-mash/db/migrate/20120310035133_create_mash_tournament_rounds.rb

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class CreateMashTournamentRounds < ActiveRecord::Migration
def self.up
create_table :mash_tournament_rounds do |t|
t.references :mash_tournament
t.integer :number, :null => false
t.integer :mash_count, :null => false
t.timestamps
end
add_index :mash_tournament_rounds, [:mash_tournament_id, :number]
add_index :mash_tournament_rounds, [:mash_count]
end
def self.down
remove_index :mash_tournament_rounds, [:mash_tournament_id, :number]
remove_index :mash_tournament_rounds, [:mash_count]
drop_table :mash_tournament_rounds
end
end