friendlymatthew commented on code in PR #7878:
URL: https://github.com/apache/arrow-rs/pull/7878#discussion_r2199265078


##########
parquet-variant/src/variant/list.rs:
##########
@@ -209,9 +208,35 @@ impl<'m, 'v> VariantList<'m, 'v> {
             // by value to all the children (who would otherwise re-validate 
it repeatedly).
             self.metadata = self.metadata.with_full_validation()?;
 
-            // Iterate over all string keys in this dictionary in order to 
prove that the offset
-            // array is valid, all offsets are in bounds, and all string bytes 
are valid utf-8.
-            validate_fallible_iterator(self.iter_try())?;
+            let offset_buffer = slice_from_slice(

Review Comment:
   I plan on following up with a PR that removes this check since we can 
validate the monotonicity of offsets when accessing variants



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