# File lib/puppet/rails/database/002_remove_duplicated_index_on_all_tables.rb, line 8 8: def self.down 9: ActiveRecord::Base.connection.tables.each do |t| 10: add_index t.to_s, :id, :integer => true unless ActiveRecord::Base.connection.indexes(t).collect {|c| c.columns}.include?("id") 11: end 12: end