jro_apps/redmine Files · db/migrate/072_add_enumerations_position.rb

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             072_add_enumerations_position.rb
        
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             / db / migrate / 072_add_enumerations_position.rb
          
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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.all.group_by(&:opt).each do |opt, enums|

            enums.each_with_index do |enum, i|

              # do not call model callbacks

              Enumeration.where({:id => enum.id}).update_all("position = #{i+1}")

            end

          end

        end

        def self.down

          remove_column :enumerations, :position

        end

      end

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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.all.group_by(&:opt).each do \|opt, enums\|
				enums.each_with_index do \|enum, i\|
				# do not call model callbacks
				Enumeration.where({:id => enum.id}).update_all("position = #{i+1}")
				end
				end
				end

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