# File lib/puppet/rails/database/001_add_created_at_to_all_tables.rb, line 10
10:     def self.down
11:         ActiveRecord::Base.connection.tables.each do |t|
12:             unless ActiveRecord::Base.connection.columns(t).collect {|c| c.name}.include?("created_at")
13:                 remove_column t.to_s, :created_at
14:             end
15:         end
16:     end