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[RLC] Case 2 — same-file deletion-vector merge (concurrent DML ⟂ DML) - #2

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sezruby wants to merge 17 commits into

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row-level-concurrency-dv-poc

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[RLC] Case 2 — same-file deletion-vector merge (concurrent DML ⟂ DML)#2
sezruby wants to merge 17 commits into
masterfrom
row-level-concurrency-dv-poc

Commits on Jul 8, 2026
- [Spark] Row-level concurrency for concurrent DML via deletion-vector merge
  
  sezruby
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  e356283
Commits on Jul 30, 2026
- [Spark] Narrow row-level concurrency to sound same-file DV union
  
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  b64e025
Commits on Aug 3, 2026
- [Spark] Harden row-level DV-merge concurrency tests + scrub internal refs
  
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  55f07ab
Commits on Aug 4, 2026
- Extract row-level concurrency resolution into a self-typed trait
  
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  538ef84
- [Spark] Skip added-file re-scan when no row-level conflict was reconciled
  
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  1898a55
Commits on Aug 5, 2026
- [Spark] Add MERGE matched-clause tests to RowLevelConcurrencySuite
  
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  6a03f58
Commits on Aug 8, 2026
- Fail safe on DV resolution errors; single-pass action indexing
  
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  ccc0f82
- [Spark] Parallelize row-level DV reconciliation across shared files
  
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  64caa4c
- [Spark] Test: multi-file row-level DV reconcile exercises the parallel path
  
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  8af17fd
Commits on Aug 13, 2026
- [Spark] Document N-way DV-merge correctness; add base-DV chain and Serializable read-op tests
  
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  e9370cf
- [Spark] Simplify RLC integration: prune the winning summary instead of guarding each check
  
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  0b8f492
Commits on Oct 15, 2026
- Only reconcile a shared file when the current txn's reads are unaffected
  
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  23a8c77
- Merge remote-tracking branch 'origin/master' into row-level-concurrency-dv-poc
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  fc37596
Commits on Oct 21, 2026
- Do not reconcile RESTORE or DVs that lose rows
  
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  cb656e0
- Apply the MERGE read shortcut only when the target scan is the only read
  
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  5813b9e
- Skip the read-check scan for a DELETE/UPDATE whose only read is its condition
  
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  23e1b37
- Resolve row-level conflicts after the file-level checks, with packed DVs
  
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  committed
  9a25df8

Commits

Commits on Jul 8, 2026

Commits on Jul 30, 2026

Commits on Aug 3, 2026

Commits on Aug 4, 2026

Commits on Aug 5, 2026

Commits on Aug 8, 2026

Commits on Aug 13, 2026

Commits on Oct 15, 2026

Commits on Oct 21, 2026