# File lib/migrate/001_create_musics.rb, line 15 def self.down drop_table :musics end
# File lib/migrate/001_create_musics.rb, line 2 def self.up create_table :musics do |t| t.string :title, :null => false t.string :author, :null => false t.string :sender, :null => false t.string :url, :null => false t.string :file t.timestamps end add_index :musics, :url, :unique end