26398609502
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Ran 25 May 2026 11:41AM UTC

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Build # 26398609502

Build Type

push

github

Committed by

Slach

Commit Message

refactor: simplify hash_of_all_files via post-FREEZE SELECT (#1338)

Replace the local SipHash128 implementation and checksums.txt v2/v3/v4(LZ4)/v5
parser with a single `SELECT name, lower(hash_of_all_files) FROM system.parts`
issued right after FREEZE. This handles object disks, encrypted-over-object
and encrypted-over-local disks uniformly — including the misclassified case
where ClickHouse reports a `<type>encrypted</type>` disk as `"local"` in
system.disks.type.

Trade-off accepted: theoretical race window between FREEZE and SELECT (parts
remain visible in system.parts for ~480s after merge), explicit per-part
WHERE name IN (...) check fails loudly if any frozen part isn't returned.

Removed:
- pkg/part_checksum/ (SipHash128, format parsers, LZ4 framing, version-aware
  half-swap) — ~620 lines deleted
- HashOfAllFilesFunc dispatcher and per-disk-type plumbing in create.go

Net change: -636 / +56 lines.

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