adriangb commented on code in PR #7404:
URL: https://github.com/apache/arrow-rs/pull/7404#discussion_r2047543959
##########
parquet/src/arrow/arrow_reader/mod.rs:
##########
@@ -4431,4 +4431,258 @@ mod tests {
assert_eq!(c0.len(), c1.len());
c0.iter().zip(c1.iter()).for_each(|(l, r)| assert_eq!(l, r));
}
+
+ #[test]
+ #[cfg(feature = "arrow_canonical_extension_types")]
Review Comment:
+1 for re-using struct array machinery.
It should also make it easier to do granular projection pushdown (only read
data for a single field)
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