class AddIndexSpanningUsersAndAddresses < ActiveRecord::Migration[7.0]
  def change
    remove_foreign_key(:user_account_addresses, :user_accounts)
    remove_foreign_key(:user_account_addresses, :addresses)
    remove_index(:user_account_addresses, :user_account_id)
    remove_index(:user_account_addresses, :address_id)
    add_foreign_key(:user_account_addresses, :user_accounts)
    add_foreign_key(:user_account_addresses, :addresses)
    add_index(:user_account_addresses, :user_account_id)
    add_index(:user_account_addresses, :address_id)
    add_index(:user_account_addresses, [:address_id, :user_account_id], unique: true)
  end
end