class CreateDoctrineJurisprudences < ActiveRecord::Migration[6.1]
  def change
    create_table :doctrine_jurisprudences do |t|
      t.references  :doctrine, null: false
      t.references  :jurisprudence, null: false
      t.integer     :rank, null: false, default: 1

      t.timestamps
    end

    add_index :doctrine_jurisprudences, %i[doctrine_id jurisprudence_id],
              name: "index_doctrine_jurisprudences_uniqueness",
              unique: true
  end
end