16 lines
488 B
Ruby
16 lines
488 B
Ruby
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class AddEnumerationsPosition < ActiveRecord::Migration
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def self.up
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add_column(:enumerations, :position, :integer, :default => 1) unless Enumeration.column_names.include?('position')
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Enumeration.all.group_by(&:opt).each do |opt, enums|
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enums.each_with_index do |enum, i|
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# do not call model callbacks
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Enumeration.update_all "position = #{i+1}", {:id => enum.id}
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end
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end
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end
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def self.down
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remove_column :enumerations, :position
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end
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end
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