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