foskey51 commented on code in PR #9012:
URL: https://github.com/apache/arrow-rs/pull/9012#discussion_r2637475021


##########
parquet-variant/src/path.rs:
##########
@@ -112,11 +114,7 @@ impl<'a> From<Vec<VariantPathElement<'a>>> for 
VariantPath<'a> {
 /// Create from &str with support for dot notation
 impl<'a> From<&'a str> for VariantPath<'a> {
     fn from(path: &'a str) -> Self {
-        if path.is_empty() {
-            VariantPath::new(vec![])
-        } else {
-            VariantPath::new(path.split('.').map(Into::into).collect())
-        }
+        VariantPath::new(path.split(".").flat_map(parse_path).collect())

Review Comment:
   There's an open issue regarding the escaping syntax 
https://github.com/apache/arrow-rs/issues/8954



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