alamb commented on code in PR #7019:
URL: https://github.com/apache/arrow-rs/pull/7019#discussion_r1946457080
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object_store/src/local.rs:
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@@ -1401,6 +1432,66 @@ mod tests {
);
}
+ #[tokio::test]
+ async fn test_path_with_offset() {
+ let root = TempDir::new().unwrap();
+ let integration =
LocalFileSystem::new_with_prefix(root.path()).unwrap();
+
+ let root_path = root.path();
+ for i in 0..5 {
+ let filename = format!("test{}.parquet", i);
+ let file = root_path.join(filename);
+ std::fs::write(file, "test").unwrap();
+ }
+ let filter_str = "test";
+ let filter = String::from(filter_str);
+ let offset_str = filter + "1";
+ let offset = Path::from(offset_str.clone());
+
+ // Use list_with_offset to retrieve files
+ let res = integration.list_with_offset(None, &offset);
+ let offset_paths: Vec<_> = res.map_ok(|x|
x.location).try_collect().await.unwrap();
+ let mut offset_files: Vec<_> = offset_paths
+ .iter()
+ .map(|x| String::from(x.filename().unwrap()))
+ .collect();
+
+ // Check result with direct filesystem read
Review Comment:
I was thinking that if the underlying directory list was different, then the
values after skipping the first 10 (for example) might be different, even if we
sorted the values that came out.
But since this doesn't seem to happen in practice I am not going to worry
too much about it
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