db/migrate/20130422184444_create_categories_table.rb

	20130422184444_create_categories_table.rb revision 63c1f099ce90c1fd194720000860b02d83b514f6
class CreateCategoriesTable < ActiveRecord::Migration
 def change
   create_table :categories do |t|
     t.string :name, :null => false
     t.string :ancestry
     t.timestamps :null => false


   end

   add_index :categories, :ancestry
   add_index :categories, [:name, :ancestry], :unique => true
 end
end