errWildcardObjectUsageInvalid = errors.New("Invalid usage of object wildcard")
)

// jsonpathEval evaluates a JSON path and returns the value at the path.
// If the value should be considered flat (from wildcards) any array returned should be considered individual values.
func jsonpathEval(p []*JSONPathElement, v interface{}) (r interface{}, flat bool, err error) {
	// fmt.Printf("JPATHexpr: %v jsonobj: %v\n\n", p, v)

	}
	_, rawVal := input.Raw()

	if format != "json" {
		return nil, errDataSource(errors.New("path not supported"))
	}
	switch rec := rawVal.(type) {
	case jstream.KVS:
		txedRec, _, err := jsonpathEval(e.selectAST.From.Table.PathExpr[1:], rec)
		if err != nil {
			return nil, err
		}

		var kvs jstream.KVS
		switch v := txedRec.(type) {
		case jstream.KVS:
			kvs = v

		case []interface{}:

			recs, err := getJSONStructs(b)
			if err != nil || len(recs) != 3 {
				t.Fatalf("%v or length was not 3", err)
			}

			for j, rec := range recs {
				// fmt.Println(rec)
				r, _, err := jsonpathEval(jp.PathExpr, rec)
				if err != nil {
					t.Errorf("Error: %d %d %v", i, j, err)
				}
				if !reflect.DeepEqual(r, tc.res[j]) {

	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
		}