5deb38feb2
- Recursive CTE execution (WITH RECURSIVE + UNION ALL, work-table loop) - UNION / INTERSECT / EXCEPT parser + executor (nkSetOp) - DROP INDEX parser + executor - VIEW DDL persistence via AST-to-SQL serializer - JSON path operators -> and ->> (lexer, parser, IR, executor) - FTS SQL wiring WHERE col @@ 'query' (case-insensitive term match) - Multi-column index range scans (prefix equality + range on last col) - Covering index optimization (skip LSM read when index covers SELECT) - SCRAM-SHA-256 authentication (password-based validation) - 279 tests, 0 failures