src/ShopifyApp/resources/database/migrations/2018_09_11_101333_add_usage_charge_support_to_charges_table.php
public function down()
    {
        Schema::table('charges', function (Blueprint $table) {
            // @codeCoverageIgnoreStart
            if (DB::getDriverName() != 'sqlite') {
                $table->dropForeign('charges_reference_charge_foreign');
            }
            // @codeCoverageIgnoreEnd

            $table->dropColumn(['description', 'reference_charge']);
        });
    }
public function down()
    {
        Schema::table('charges', function (Blueprint $table) {
            // @codeCoverageIgnoreStart
            if (DB::getDriverName() != 'sqlite') {
                $table->dropForeign('charges_reference_charge_foreign');
            }
            // @codeCoverageIgnoreEnd

            $table->dropColumn(['description', 'reference_charge']);
        });
    }
Reverse the migrations.

@return void