view db/migrate/072_add_enumerations_position.rb @ 1126:e65c02706f1c redmine-2.2-integration

Changed file coding header from undefined to utf-8 (was raising an error).
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 08 Jan 2013 16:33:27 +0000
parents 513646585e45
children 622f24f53b42
line wrap: on
line source
class AddEnumerationsPosition < ActiveRecord::Migration
  def self.up
    add_column(:enumerations, :position, :integer, :default => 1) unless Enumeration.column_names.include?('position')
    Enumeration.find(:all).group_by(&:opt).each do |opt, enums|
      enums.each_with_index do |enum, i|
        # do not call model callbacks
        Enumeration.update_all "position = #{i+1}", {:id => enum.id}
      end
    end
  end

  def self.down
    remove_column :enumerations, :position
  end
end