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


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class GiveMeBigNumbers < ActiveRecord::Migration::Current
  def self.up
    create_table :big_numbers do |table|
      table.column :bank_balance, :decimal, precision: 10, scale: 2
      table.column :big_bank_balance, :decimal, precision: 15, scale: 2
      table.column :world_population, :decimal, precision: 10
      table.column :my_house_population, :decimal, precision: 2
      table.column :value_of_e, :decimal
    end
  end

  def self.down
    drop_table :big_numbers
  end
end