alamb commented on code in PR #9540:
URL: https://github.com/apache/arrow-rs/pull/9540#discussion_r3454493237
##########
parquet/src/arrow/arrow_reader/statistics.rs:
##########
@@ -1495,6 +1501,45 @@ impl<'a> StatisticsConverter<'a> {
})
}
+ /// Create a new `StatisticsConverter` from a Parquet leaf column index
directly.
+ ///
+ /// Unlike [`Self::try_new`], this constructor bypasses schema resolution
and
+ /// accepts a Parquet column index directly. This is useful for nested
fields
+ /// (e.g., struct fields) where the caller has already resolved the mapping
+ /// from the Arrow field to the Parquet leaf column.
+ ///
+ /// # Arguments
+ ///
Review Comment:
@friendlymatthew did in
https://github.com/apache/arrow-rs/pull/9540/changes/0d075e8cf8b2a7c9349e00677a6636340e0290b0
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