# frozen_string_literal: true class AddUniqueIndexToIndividuals < ActiveRecord::Migration[6.1] include Database::MigrationHelpers disable_ddl_transaction! def up delete_duplicates :individuals, [:dossier_id] remove_index :individuals, [:dossier_id] add_concurrent_index :individuals, [:dossier_id], unique: true end def down remove_index :individuals, [:dossier_id], unique: true add_concurrent_index :individuals, [:dossier_id] end end