annotate db/migrate/078_add_custom_fields_position.rb @ 36:de76cd3e8c8e cc-branches

* Probably abortive experiments in extracting the branch from Hg
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Wed, 20 Oct 2010 10:07:29 +0100
parents 513646585e45
children 622f24f53b42
rev   line source
Chris@0 1 class AddCustomFieldsPosition < ActiveRecord::Migration
Chris@0 2 def self.up
Chris@0 3 add_column(:custom_fields, :position, :integer, :default => 1)
Chris@0 4 CustomField.find(:all).group_by(&:type).each do |t, fields|
Chris@0 5 fields.each_with_index do |field, i|
Chris@0 6 # do not call model callbacks
Chris@0 7 CustomField.update_all "position = #{i+1}", {:id => field.id}
Chris@0 8 end
Chris@0 9 end
Chris@0 10 end
Chris@0 11
Chris@0 12 def self.down
Chris@0 13 remove_column :custom_fields, :position
Chris@0 14 end
Chris@0 15 end