switch rowVal := rawVal.(type) {
	case jstream.KVS, simdjson.Object:
		if len(pathExpr) == 0 {
			pathExpr = []*JSONPathElement{{Key: &ObjectKey{ID: e.BaseKey}}}
		}

		result, _, err := jsonpathEval(pathExpr, rowVal)
		if err != nil {
			return nil, err
		}

		return jsonToValue(result)
	default:
		if pathExpr[len(pathExpr)-1].Key == nil {
			return nil, errInvalidKeypath
		}