view db/migrate/078_add_custom_fields_position.rb @ 343:a0956f78f39c live

Merge
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Thu, 31 Mar 2011 11:13:27 +0100
parents 513646585e45
children 622f24f53b42
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class AddCustomFieldsPosition < ActiveRecord::Migration
  def self.up
    add_column(:custom_fields, :position, :integer, :default => 1)
    CustomField.find(:all).group_by(&:type).each  do |t, fields|
      fields.each_with_index do |field, i|
        # do not call model callbacks
        CustomField.update_all "position = #{i+1}", {:id => field.id}
      end
    end
  end

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