Mercurial > hg > soundsoftware-site
annotate db/migrate/072_add_enumerations_position.rb @ 1327:287f201c2802 redmine-2.2-integration
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author | Chris Cannam <chris.cannam@soundsoftware.ac.uk> |
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date | Wed, 19 Jun 2013 20:56:22 +0100 |
parents | 513646585e45 |
children | 622f24f53b42 |
rev | line source |
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Chris@0 | 1 class AddEnumerationsPosition < ActiveRecord::Migration |
Chris@0 | 2 def self.up |
Chris@0 | 3 add_column(:enumerations, :position, :integer, :default => 1) unless Enumeration.column_names.include?('position') |
Chris@0 | 4 Enumeration.find(:all).group_by(&:opt).each do |opt, enums| |
Chris@0 | 5 enums.each_with_index do |enum, i| |
Chris@0 | 6 # do not call model callbacks |
Chris@0 | 7 Enumeration.update_all "position = #{i+1}", {:id => enum.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 :enumerations, :position |
Chris@0 | 14 end |
Chris@0 | 15 end |