view db/migrate/072_add_enumerations_position.rb @ 661:6246ad0f9e98 feature_36

More adjustments to ensure search results box is empty when editing, and to ensure it has a minimum width in both new and edit modes. Also a text update
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Fri, 09 Sep 2011 16:20:11 +0100
parents 513646585e45
children 622f24f53b42
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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