public function up() 	{ 		Schema::table('orders', function (Blueprint $table) { 			$table->decimal('total_price')->change(); 			$table->decimal('shipping_price')->nullable()->change(); 			$table->decimal('total_discounts')->nullable()->change(); 			$table->decimal('tax_total')->nullable()->change(); 			$table->decimal('final_price')->change(); 			$table->decimal('total_price_minus_discounts')->change(); 		}); 	}