ref: master
db/migrate/20100809103622_set_available_to_true_by_default_on_products.rb
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class SetAvailableToTrueByDefaultOnProducts < ActiveRecord::Migration def self.up change_column :products, :available, :boolean, :default => true execute('update products set available = (1=1)') end def self.down change_column :products, :available, :boolean, :default => false end end |