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java-topology/defects/tidb/unit
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russell@unturf.com 6b975a3b9e duckdb/arrow: CWE-407 scan — 4 DuckDB defects, 2 Arrow defects 
DuckDB (C++ query engine):
- duckdb-0001: Binder::AddCorrelatedColumn vector dedup O(C²) MEDIUM 200x
- duckdb-0002: HasCorrelatedExpressions vector scan O(N×M) MEDIUM 100x
- duckdb-0003: ComputeOverlappingBindings vector scan O(N×H) MEDIUM 219x
- duckdb-0004: Deliminator group-join binding check O(G×J) MEDIUM 125x

Apache Arrow (C++ analytics):
- arrow-0001: AsofJoin IsTimeOrKeyColumn vector scan O(F×K) MEDIUM 114x
- arrow-0002: Scanner AddFieldsNeededForFilter vector dedup O(F×C) MEDIUM 250x

All 6/6 unit tests PASS.
2026-03-30 10:10:27 -04:00
..
TiDBTest.class whitepaper: 312 sites / 151 ecosystems — wave2+3 defect tables and PDF rebuild 2026-03-27 15:23:43 -04:00
TiDBTest.java whitepaper: 312 sites / 151 ecosystems — wave2+3 defect tables and PDF rebuild 2026-03-27 15:23:43 -04:00
TidbTest.java duckdb/arrow: CWE-407 scan — 4 DuckDB defects, 2 Arrow defects 2026-03-30 10:10:27 -04:00