adriangb commented on code in PR #6999:
URL: https://github.com/apache/arrow-rs/pull/6999#discussion_r1922875829
##########
parquet/src/file/metadata/reader.rs:
##########
@@ -1052,5 +1060,17 @@ mod async_tests {
.unwrap();
assert_eq!(fetch_count.load(Ordering::SeqCst), 1);
assert!(metadata.offset_index().is_some() &&
metadata.column_index().is_some());
+
+ // Prefetch more than enough
+ fetch_count.store(0, Ordering::SeqCst);
+ let f = MetadataFetchFn(&mut fetch);
+ let metadata = ParquetMetaDataReader::new()
+ .with_page_indexes(true)
+ .with_prefetch_hint(Some(len)) // prefetch entire file
Review Comment:
done, I also added > file size
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