How to optimize this query?

[llplplpsxlw]

DEFINE FUNCTION OVERWRITE fn::transform($id: record) {
	RETURN {
		id: record::tb($id) + '_' + record::id($id)
	};
}
	PERMISSIONS FULL
;

RETURN { (SELECT *, $object AS object FROM ONLY $id).patch([
	{
		op: 'replace',
		path: 'id',
		value: fn::transform($id).id
	}
]) };

i need to return id with _