alamb commented on code in PR #6257:
URL: https://github.com/apache/arrow-rs/pull/6257#discussion_r1718841274
##########
parquet/src/file/statistics.rs:
##########
@@ -125,22 +125,35 @@ pub fn from_thrift(
) -> Result<Option<Statistics>> {
Ok(match thrift_stats {
Some(stats) => {
- // Number of nulls recorded, when it is not available, we just
mark it as 0.
- // TODO this should be `None` if there is no information about
NULLS.
- // see https://github.com/apache/arrow-rs/pull/6216/files
- let null_count = stats.null_count.unwrap_or(0);
Review Comment:
the removal of this `unwrap_or` is what changes the semantics while reading
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