20140617134556_add_references_to_institution.rb 360 Bytes
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class AddReferencesToInstitution < ActiveRecord::Migration
  def up
    change_table :institutions do |t|
      t.references :governmental_power
      t.references :governmental_sphere
    end
  end

  def down
    change_table :institutions do |t|
      t.remove_references :governmental_power
      t.remove_references :governmental_sphere
    end
  end
end