{"id":"commit-conflict-scans-all-versions","text":"The write-write conflict check in `commit()` scans all versions of each key in the transaction's write set (not just the latest), making conflict detection O(versions) per written key.","truth_value":"IN","source":"entries/2026/05/29/snapshot-isolation-mvcc_database-commit.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"commit-conflict-scans-all-versions","truth_value":"IN","reason":"premise"}]}}