vendor/rails/activerecord/test/migrations/decimal/1_give_me_big_numbers.rb

   1 class GiveMeBigNumbers < ActiveRecord::Migration
   2   def self.up
   3     create_table :big_numbers do |table|
   4       table.column :bank_balance, :decimal, :precision => 10, :scale => 2
   5       table.column :big_bank_balance, :decimal, :precision => 15, :scale => 2
   6       table.column :world_population, :decimal, :precision => 10
   7       table.column :my_house_population, :decimal, :precision => 2
   8       table.column :value_of_e, :decimal
   9     end
  10   end
  11
  12   def self.down
  13     drop_table :big_numbers
  14   end
  15 end