t.column "quantity", :integer, :default => 0, :null => false
t.column "price", :decimal, :precision => 8, :scale => 2, :default => 0.0
end
t.column "quantity", :integer, :default => 0, :null => false
t.column "price", :decimal, :precision => 8, :scale => 2, :default => 0.0
end