class AddPositionToSuccessCriteria < ActiveRecord::Migration[7.2]
  def change
    add_column :success_criteria, :position, :integer, null: false
    add_index :success_criteria, [:element_id, :position], unique: true
    add_index :elements, [:page_id, :position], unique: true
    add_index :pages, [:report_id, :position], unique: true
  end
end