d076cfde3b
- Add VECTOR(n) column type support in CREATE TABLE - Add CREATE INDEX ... USING hnsw/ivfpq for vector indexes - Add cosine_distance(), euclidean_distance(), inner_product(), l1/l2_distance() SQL functions in expression evaluator - Add <-> nearest-neighbor operator - Fix ORDER BY with non-projected columns (move irpkSort before irpkProject) - Fix execInsert to escape comma-containing values (vector literals) - Fix MERGE tests by using unique temp dirs per test suite - Add 8 Vector SQL Integration tests (all passing) - Update PLAN_SQL_ADVANCED.md