changed default initial value of index value

dalmdl/corefdb/index.go

@@ -97,7 +97,7 @@ func (i *Index) GetEntryByPath(path string) (string, error) {
 }
 
 func (i *Index) AddEntry(path string, rs *gjson.Result) error {
-	json := `{}`
+	json := rs.String()
 	for _, indexField := range i.IndexFields {
 		if rs.Get(indexField.Query).Value() == nil {
 			return errormdl.Wrap("please provide value for index field: " + indexField.Query)