socialforge/db/migrate/072_add_enumerations_positi...

16 lines
488 B
Ruby

class AddEnumerationsPosition < ActiveRecord::Migration
def self.up
add_column(:enumerations, :position, :integer, :default => 1) unless Enumeration.column_names.include?('position')
Enumeration.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