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refactor: remove storing UUID in LogPathFileType::UuidCheckpoint #1317

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Merged
merged 10 commits into from
Oct 1, 2025
+14 −18
Merged

refactor: remove storing UUID in LogPathFileType::UuidCheckpoint #1317

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6282dd1
feat: remove String value from UuidCheckpoint
aleksandarskrbic Sep 18, 2025
2b5bd23
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
aleksandarskrbic Sep 19, 2025
eb0fff3
feat: remove String value from UuidCheckpoint pt.3
aleksandarskrbic Sep 19, 2025
24d4d26
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
aleksandarskrbic Sep 21, 2025
b82a589
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
aleksandarskrbic Sep 22, 2025
7067df1
Update kernel/src/path.rs
aleksandarskrbic Sep 24, 2025
cb4136e
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
aleksandarskrbic Sep 24, 2025
c8dcc9f
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
aleksandarskrbic Sep 27, 2025
e3d5cd9
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
OussamaSaoudi Sep 29, 2025
01da21e
Merge branch 'main' into aleksandarskrbic/feat/remove-storing-uuid
zachschuermann Oct 1, 2025
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4 changes: 2 additions & 2 deletions kernel/src/listed_log_files.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,7 @@ fn group_checkpoint_parts(parts: Vec<ParsedLogPath>) -> HashMap<u32, Vec<ParsedL
use LogPathFileType::*;
match &part_file.file_type {
SinglePartCheckpoint
| UuidCheckpoint(_)
| UuidCheckpoint
| MultiPartCheckpoint {
part_num: 1,
num_parts: 1,
Expand Down Expand Up @@ -271,7 +271,7 @@ impl ListedLogFiles {
ascending_compaction_files.push(file);
}
CompactedCommit { .. } => (), // Failed the bounds check above
SinglePartCheckpoint | UuidCheckpoint(_) | MultiPartCheckpoint { .. } => {
SinglePartCheckpoint | UuidCheckpoint | MultiPartCheckpoint { .. } => {
new_checkpoint_parts.push(file)
}
Crc => {
Expand Down
28 changes: 12 additions & 16 deletions kernel/src/path.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ pub(crate) enum LogPathFileType {
StagedCommit,
SinglePartCheckpoint,
#[allow(unused)]
UuidCheckpoint(String),
UuidCheckpoint,
// NOTE: Delta spec doesn't actually say, but checkpoint part numbers are effectively 31-bit
// unsigned integers: Negative values are never allowed, but Java integer types are always
// signed. Approximate that as u32 here.
Expand Down Expand Up @@ -144,8 +144,8 @@ impl<Location: AsUrl> ParsedLogPath<Location> {
["crc"] => LogPathFileType::Crc,
["checkpoint", "parquet"] => LogPathFileType::SinglePartCheckpoint,
["checkpoint", uuid, "json" | "parquet"] => {
let uuid = parse_path_part(uuid, UUID_PART_LEN, url)?;
LogPathFileType::UuidCheckpoint(uuid)
parse_path_part::<String>(uuid, UUID_PART_LEN, url)?;
LogPathFileType::UuidCheckpoint
}
[hi, "compacted", "json"] => {
let hi = parse_path_part(hi, VERSION_LEN, url)?;
Expand Down Expand Up @@ -181,7 +181,7 @@ impl<Location: AsUrl> ParsedLogPath<Location> {
match self.file_type {
LogPathFileType::Commit
| LogPathFileType::SinglePartCheckpoint
| LogPathFileType::UuidCheckpoint(_)
| LogPathFileType::UuidCheckpoint
| LogPathFileType::MultiPartCheckpoint { .. }
| LogPathFileType::CompactedCommit { .. }
| LogPathFileType::Crc
Expand All @@ -204,7 +204,7 @@ impl<Location: AsUrl> ParsedLogPath<Location> {
self.file_type,
LogPathFileType::SinglePartCheckpoint
| LogPathFileType::MultiPartCheckpoint { .. }
| LogPathFileType::UuidCheckpoint(_)
| LogPathFileType::UuidCheckpoint
)
}

Expand Down Expand Up @@ -472,7 +472,7 @@ mod tests {
assert_eq!(log_path.version, 2);
assert!(matches!(
log_path.file_type,
LogPathFileType::UuidCheckpoint(ref u) if u == "3a0d65cd-4056-49b8-937b-95f9e3ee90e5",
LogPathFileType::UuidCheckpoint
));
assert!(!log_path.is_commit());
assert!(log_path.is_checkpoint());
Expand All @@ -489,7 +489,7 @@ mod tests {
assert_eq!(log_path.version, 2);
assert!(matches!(
log_path.file_type,
LogPathFileType::UuidCheckpoint(ref u) if u == "3a0d65cd-4056-49b8-937b-95f9e3ee90e5",
LogPathFileType::UuidCheckpoint
));
assert!(!log_path.is_commit());
assert!(log_path.is_checkpoint());
Expand Down Expand Up @@ -696,11 +696,10 @@ mod tests {
assert_eq!(log_path.version, 10);
assert!(log_path.is_checkpoint());
assert_eq!(log_path.extension, "parquet");
if let LogPathFileType::UuidCheckpoint(uuid) = &log_path.file_type {
assert_eq!(uuid.len(), UUID_PART_LEN);
} else {
panic!("Expected UuidCheckpoint file type");
}
assert!(
matches!(log_path.file_type, LogPathFileType::UuidCheckpoint),
"Expected UuidCheckpoint file type"
);

let filename = log_path.filename.to_string();
let filename_parts: Vec<&str> = filename.split('.').collect();
Expand Down Expand Up @@ -786,10 +785,7 @@ mod tests {
(LogPathFileType::Commit, true),
(LogPathFileType::StagedCommit, false),
(LogPathFileType::SinglePartCheckpoint, true),
(
LogPathFileType::UuidCheckpoint("some-uuid".to_string()),
true,
),
(LogPathFileType::UuidCheckpoint, true),
(
LogPathFileType::MultiPartCheckpoint {
part_num: 1,
Expand Down
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