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Author	SHA1	Message	Date
dimgigov	8a385cba6a	docs(readme): clarify this is a BaraDB fork of nim-allographer	2026-05-21 15:54:56 +03:00
dimgigov	6bfc5b3a3c	feat(clients): add nim-allographer client with BaraDB driver support ... - Pure Nim wire protocol client (async + sync, no C FFI) - Query Builder: fluent API, SQL generator, execution, transactions - Schema Builder: create/alter/drop tables, column operations - Connection pool with aging and timeout handling - ORM integration via compile-time DB_BARADB switch - Tests: test_open, test_query - Documentation: README.md, PLAN_BARADB.md	2026-05-21 15:49:11 +03:00
dimgigov	2d310a33a1	fix: resolve all 55 identified bugs across the codebase ... Comprehensive bug fix pass across all subsystems: - Critical: lexer infinite loop, WAL lock discipline, checkpoint safety, compaction verification, HMAC key truncation, healthCheck leak - High: MVCC lock safety, B-Tree delete rebalancing, Raft stale term handling, replication socket leaks and ack cleanup, sharding migration with old assignments, 2PC recovery, JWT/SCRAM auth fixes, wire protocol bounds checks - Medium: config error handling, MERGE parser completeness, IR/codegen correctness, UDF bounds checks, LIMIT cost accuracy, mmap safety - Low: timeout handling, float parsing edge cases, uint32 truncation, cache entry cleanup Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>	2026-05-21 10:59:51 +03:00
dimgigov	7fc6adbe47	chore: remove old planning and bug report files ... These files are outdated and only cause confusion. Keep only the current PLAN.md.	2026-05-21 09:47:40 +03:00
dimgigov	072e7a5d13	test(join): add test for duplicate columns in SELECT * ... Verify that JOIN with overlapping column names preserves both left (bare) and right (qualified) values.	2026-05-21 09:44:32 +03:00
dimgigov	d4dc433e48	fix(query): preserve both sides of duplicate column names in JOIN ... When SELECT * joins tables with overlapping column names (e.g. 'id' in both users and orders), the right-side value was being dropped because irekStar filtered out dotted keys. - Add expandStarRow() that keeps bare columns and adds qualified aliases (u.id, o.id) only for duplicated names - Fix r.columns expansion to include all joined tables, qualifying duplicates from the right side	2026-05-21 09:44:31 +03:00
dimgigov	1ff6fabaff	fix(backup): resolve relative SSTable paths in incremental backup ... MANIFEST stores relative paths like 'sstables/1.sst'. The old code checked fileExists against CWD instead of dataDir, silently omitting SSTables when run from another directory. Now resolves paths relative to dataDir.	2026-05-21 09:44:28 +03:00
dimgigov	4a83eb6783	docs: update distributed/backup/schema/storage for multi-database ... - Add multi-database limitations to distributed docs - Fix backup commands and add multi-database backup guidance - Add SQL migration section to schema docs - Update storage examples to use per-database paths	2026-05-21 09:44:25 +03:00
dimgigov	a526a3aef9	docs: remove non-English/Bulgarian language docs, fix links ... Remove ar, de, fa, ru, tr, zh documentation folders. Update docs/index.md and docs/bg/index.md to only list en/bg. Update README badge from 7 to 2 languages. Update changelog entry for Bulgarian docs.	2026-05-21 09:44:17 +03:00
dimgigov	372e5cf627	fix(query,types): refactor Row to Value-typed map, fix IN list, nkPath, multi-table joins ... - Refactored Row from Table[string, string] to Table[string, Value] - Added Value operators: ==, !=, $, in for string interop - Fixed valueToString for vkNull to return '\\N' instead of '' - Fixed evalExpr irekField to return vkNull when field not found - Added IN (val1, val2, ...) parser support - Fixed nkPath column names in multi-table joins - Fixed LATERAL JOIN null padding when no matching rows - Added CREATE/DROP/USE/SHOW DATABASE parser support - Adapted all tests for new Value type	2026-05-20 23:22:14 +03:00
dimgigov	57d2908066	fix(executor,mvcc,tests): dedup aliases, fix txn delete, fix MIN/MAX null, add regression tests ... - Add isDelete flag to VersionedRecord to fix COMMIT treating empty values as DELETE. Previously version.xmax != TxnId(0) was never true for active transactions, so deletes inside transactions never removed rows. - Fix MIN/MAX aggregates skipping NULL: was checking for "\\N" instead of correct "\N" sentinel, so NULL values were never skipped. - Add duplicate alias deduplication in lowerSelect() and getSelectColumns(). Identical aliases now get _1, _2 suffixes (e.g. count(*), count(*)_1). - Add nil guard for expr.subqueryPlan in irekSubquery evalExpr handler. - Initialize txnManager in newExecutionContext to prevent segfault on BEGIN. - Add regression tests: DELETE in transaction, PK-only row survival, MIN/MAX NULL skipping.	2026-05-20 21:36:15 +03:00
dimgigov	edd7e728f9	fix(query): add correlated subquery support ... evalExpr was missing irekSubquery case — scalar subqueries in SELECT/WHERE fell through to else:return "" producing empty strings. Add: - irekSubquery handler in evalExpr that executes the subquery plan - outerRow + subqueryPlan fields on ExecutionContext for correlation - qualified column injection in execScan for correlated filter refs - collectCorrelatedTablesFromPlan to discover outer table references Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>	2026-05-19 23:16:31 +03:00
dimgigov	14596c9584	fix(adapter,executor,tests): harden nimforum adapter and fix transaction/aggregate bugs ... Adapter (baradb_sqlite.nim): - getRow now returns @[] for missing rows (db_sqlite compat) - insertID/nextId handle NULL (\N) values correctly - preprocessQuery replaces SQLite-specific syntax: TIMESTAMP->DATETIME, DATETIME('now')->current timestamp, INET->STRING - add dbBegin/dbCommit/dbRollback for transaction support Executor: - fix COMMIT treating empty values as DELETE (rows with only PK were lost) - fix MIN/MAX aggregates including NULL (\N) which skewed results - add numeric comparison for irNeq Tests: - stress_test: shared DB, 16 workers, correctness scan after run - nimforum_smoke_test: 10 tests including schema, transactions, iterators	2026-05-19 20:43:00 +03:00
dimgigov	d3b77174da	fix: use numeric comparison for MIN/MAX aggregates	2026-05-19 15:19:47 +03:00
dimgigov	cd46edcb67	Bump version to 1.1.6; fix storage bugs, tests, CI pipeline and Docker config ... Storage fixes: - Fix bloom filter hash2 OverflowDefect (uint64 instead of int Hash) - Fix MemTable.put size calculation on overwrite (was leaking size) - Fix fuzz_test duplicate-key issues in LSM delete and SSTable tests Test fixes: - Fix stress_test.nim: replace deprecated threadpool with std/threads - Fix fuzz_test.nim: add missing imports (tables, algorithm, sets) - Fix fuzz_test.nim: var sst for close() compatibility - Remove unused imports from test_all.nim and bench_all.nim Docker / CI fixes: - Fix Dockerfile.source: invalid nimlang/nim:2.2.10-alpine tag → 2.2.10 + ubuntu:24.04 runtime - Fix Dockerfile.source healthcheck (--spider → -qO- for 200 OK) - Fix Dockerfile run comment ports (9470/9471 → 9912/9913) - Fix scripts/docker-run.sh healthcheck port (9470 → 9912) - Add ARG BUILD_DATE/VCS_REF to Dockerfile for docker-build.sh - Update all version strings 1.1.4 → 1.1.6 across nimble/docker/source/docs	2026-05-19 12:13:33 +03:00
dimgigov	343f479127	docs(bg,en): fix ports and WebSocket example for new server model ... - Update architecture diagram to include WebSocket server (port 9913) - Fix HTTP port from 9470 to 9912 (TCP + 440) in protocol docs - Fix WebSocket port from 9471 to 9913 (TCP + 441) in protocol docs - Fix WebSocket Nim example: remove non-existent onMessage API and unsafe cast[string](data), use correct WsServer API with safe helpers - Clarify TCP_NODELAY is also handled internally by hunos (HTTP) - Note that bytesToString/stringToBytes are wire-protocol helpers	2026-05-18 19:41:21 +03:00
dimgigov	8afa998516	feat: rate limiting, shared DB instance, TCP_NODELAY fix ... - Add rate limiter to TCP and HTTP servers - Share single LSMTree between TCP and HTTP servers - Replace unsafe cast[string]/cast[seq[byte]] with safe helpers - Stabilize gossip UDP socket with exponential backoff - Fix TCP_NODELAY via low-level setSockOptInt(IPPROTO_TCP) (asyncnet.setSockOpt(OptNoDelay) uses SOL_SOCKET and fails) - Apply TCP_NODELAY to server and websocket sockets	2026-05-18 19:33:40 +03:00
dimgigov	7e6a45e6b7	Стабилизация на storage слоя — 6 фази ... Фаза 1: SSTable Integrity - SSTable v3 формат с CRC32 footer (data/index/bloom CRC) - Нов модул storage/crc32.nim (zero-dep, IEEE 802.3) - verifySSTable() — проверка на magic, version, CRC - loadSSTable strict mode — отхвърля корумпирани файлове - newLSMTree логва [WARN] при corrupt SSTables Фаза 2: baradb repair - Нов модул tools/repair.nim - Сканира SSTables, проверява CRC, премества битите в corrupt/ - WAL replay (CrashRecovery) за възстановяване на данни - CLI: ./baradadb repair --data-dir=... [--dry-run] Фаза 3: MANIFEST File - Atomic write MANIFEST (tmp + rename) - newLSMTree зарежда от MANIFEST, fallback към walkDir - checkStorageConsistency() — orphan/missing detection - flushUnsafe и compaction записват MANIFEST Фаза 4: WAL Rotation & Incremental Backup - WAL segment rotation при 64MB (wal_archive/wal.000NNN.log) - maybeRotate() на всеки 1000 записа + при flush - backup incremental — архивира MANIFEST + SSTables + WAL - CRC verification на SSTables преди архивиране Фаза 5: Online Consistent Backup - checkpoint() — freeze memtable + flush + WAL rotate - ./baradadb checkpoint — offline consistent snapshot - backup --online — checkpoint + incremental backup Фаза 6: SSTable Version Migration - SSTable.fileVersion поле - listLegacySSTables() — намира v1/v2 файлове - migrateSSTable() — пренаписва към v3 (tmp + rename) - ./baradadb migrate [--dry-run] — offline migration Документация: - Обновени docs/en/backup.md, docs/bg/backup.md - Обновени docs/en/storage.md, docs/bg/storage.md - Добавени тестове в tests/test_all.nim	2026-05-18 15:04:49 +03:00
dimgigov	cf2aba104f	Phase 5 complete: B-tree property tests + benchmark regression suite ... - prop_test.nim: 11 new property-based B-Tree invariants (size accuracy, get roundtrip, scan ordering, range correctness, contains, remove, large order, duplicates, empty tree, interleaved ops) - bench_all.nim: JSON-based benchmark result tracking with regression comparison against previous runs; each benchmark reports ops/sec delta vs last run	2026-05-18 12:52:44 +03:00
dimgigov	132e8c7a31	Phase 5: Storage fuzz tests + WAL entryCount fix + SSTable overflow checks + compaction sizeBytes accuracy ... - WAL: entryCount is now accurate after restart by counting existing entries - LSM writeSSTable: adds uint32 overflow checks for key/value/entry counts - Compaction: sizeBytes now uses actual file size instead of rough guess - Fuzz tests: 14 new tests covering WAL truncation, LSM put/get/delete, recovery, scan, overwrites, SSTable roundtrip, corruption, tombstones	2026-05-18 12:34:26 +03:00
dimgigov	3f29c519d4	Storage hardening: btree size fix, WAL entryCount note, LSM put error handling ... - btree.nim: insertNonFull returns bool; size only increments for new keys - wal.nim: comment about entryCount reset on append - lsm.nim: recovery/put/delete/putUnsafe raise IOError if put fails after flush	2026-05-18 12:14:30 +03:00
dimgigov	8596cea548	Stabilization: replication semi-sync, MVCC aborted deleters, SSTable level, SCRAM fix ... P0-P1 fixes: - replication.nim: rmSync/rmSemiSync now wait for replica ACKs - mvcc.nim: aborted deleters no longer hide records (return true for visibility) - storage/lsm.nim: SSTable level persisted in header (version 2, backward compat) - protocol/auth.nim: removed insecure SCRAM raw hash fallback Build: 0 warnings, 0 errors. All tests pass.	2026-05-18 12:04:45 +03:00
dimgigov	47c4393a7e	Complete plan execution: gossip/raft bounds, deadlock fix, JSON escaping, memtable limits ... Remaining plan items: - 1.4 hybrid_search: JSON built with std/json instead of string concat - 2.3 lsm.nim: reject oversized memtable entries - 3.3 gossip.nim: bounds checking for idLen/nodeCount/hostLen - 3.4 raft.nim: max length caps for cmdLen/dataLen/logLen - 4.3 deadlock.nim: per-path seq stack instead of global parent table	2026-05-18 11:42:46 +03:00
dimgigov	967c0855a5	Bug fixes: composite PK, nl_to_sql sandbox, FK check, SQL injection, storage correctness ... Critical fixes: - Composite PK: execInsert + validateConstraints use all PK columns - nl_to_sql: non-SELECT SQL no longer executed directly during validation - FK check: removed O(N) scanMemTable fallback, uses db.get() with SSTables - exprToSql: nkIdent wrapped in quotes to prevent SQL injection - restoreSchema: try/except around tokenize/parse for crash resilience - recovery.nim: lastTxnId tracking + putUnsafe/deleteUnsafe without WAL - SCRAM: verifyClientProof length check + DefaultIterationCount restored Storage fixes: - lsm.nim: SSTable sort order fixed (ascending), close() flushes all memtables - compaction.nim: tombstones preserved during compaction - wal.nim: header written for empty existing files, readEntries checks magic - btree.nim: B+ tree leaf split keeps boundary key - bloom.nim: deserialize raises on short data - mmap.nim: bounds checks for adviseWillNeed/DontNeed + posix.close() Protocol fixes: - zerocopy.nim: readString bounds check - wire.nim: deserializeValue 32-bit underflow check - auth.nim: JWT JSON escaping for claims - server.nim: readUint32BE bounds check + specific exception handling - raft.nim: readData checks + specific exception handling Tests: - Added Composite Primary Key test suite (4 tests) Build: 0 warnings, 0 errors	2026-05-18 11:33:11 +03:00
dimgigov	a28c845476	Bump version to 1.1.4 across all components	2026-05-17 20:57:19 +03:00
dimgigov	3ac53ecda2	docs(readme): add AI-Native Data Platform features (Sessions 10-12) ... - Update Why BaraDB comparison table with Hybrid RAG, AI Agents, MCP Server, LangChain integration, Graph SQL, Cypher - Add Hybrid RAG Search section under Vector Engine - Add Graph SQL Integration section with CREATE GRAPH, GRAPH_TABLE, Cypher translation, and similarity/node2vec algorithms - Add new AI-Native Data Platform section covering: - Natural Language → SQL (nl_to_sql, schema_prompt) - Text Chunking & Auto-Embedding (chunk, embed_text) - MCP Server (Model Context Protocol over STDIO) - LangChain Vector Store (Python + JS) - Chat Message History with RLS - Update Project Structure with ai/ and mcp/ directories - Update Roadmap Progress with v1.1.2 features	2026-05-17 17:05:47 +03:00
dimgigov	1e38e29f25	fix(security): SQL injection in Python/JS clients + bare except + session leak ... - Fix SQL injection vulnerabilities in chat_history.py, langchain_store.py, rag_pipeline.py, baradb_langchain.js by switching to parameterized queries - Replace dangerous bare except: with except CatchableError:/ValueError: in llm.nim, embed.nim, cypher.nim, mcp/server.nim, executor.nim - Fix session variable leak in MCP handleVectorSearch/handleSchemaInspect - Build: 0 errors, all tests pass	2026-05-17 16:58:05 +03:00
dimgigov	c95bc4cd44	docs: synchronize documentation across all languages ... - Add mcp.md to: bg, fa, ru, tr, zh, ar - Add index.md to Bulgarian (bg) - Add 24 missing German (de) documentation files Translations for all supported languages now complete.	2026-05-17 16:29:28 +03:00
dimgigov	a5d34c001a	docs: add German (DE) documentation + update all docs for Sessions 10-12 ... New German documentation (docs/de/): - index.md, quickstart.md, installation.md - baraql.md, graph.md, vector.md, mcp.md Updated English documentation: - changelog.md: all Sessions 10-12 features - graph.md: SQL GRAPH_TABLE, CREATE GRAPH, all 8 algorithms, Cypher, similarity_nodes, node2vec - vector.md: hybrid RAG, chunk(), embed_text(), auto-embed, nl_to_sql(), schema_prompt() - baraql.md: new AI & Cross-Modal Functions section, updated keyword tables - mcp.md: MCP Server documentation (new file) - index.md: added German (DE) language link	2026-05-17 16:15:45 +03:00
dimgigov	e783215276	docs: mark all sessions 10-11-12 complete — plan finished	2026-05-17 16:01:20 +03:00
dimgigov	a0c5ce8598	feat: Session 11 finale — similarity_nodes, node2vec, Cypher layer ... - similarity_nodes(graph, metric): Jaccard / Adamic-Adar similarity between all node pairs - node2vec_embed(graph, dimensions): Random-walk based graph embeddings - cypher(query): Translate Cypher MATCH...RETURN → BaraQL GRAPH_TABLE SQL - Fixed recursive lock deadlock in similarity functions - Fixed graph start node parsing (pattern variable vs numeric ID) - Added sequtils import to graph engine - All 340+ existing tests pass	2026-05-17 16:00:15 +03:00
dimgigov	898f108963	docs: update PLAN.md - all sessions 10, 11, 12 marked complete	2026-05-17 15:39:20 +03:00
dimgigov	e23b1d61d2	feat: Session 12 AI Agents & NL->SQL ... - src/barabadb/ai/llm.nim: LLM client for NL->SQL generation - Supports OpenAI-compatible and Ollama APIs - Configurable via BARADB_LLM_ENDPOINT, BARADB_LLM_MODEL, BARADB_LLM_API_KEY - extractSQL() parses SQL from LLM responses (handles markdown blocks) - Temperature 0.1 for deterministic SQL generation - nl_to_sql() SQL function: natural language -> SQL - Schema-aware prompt with table column definitions + indexes + RLS - Query validation layer: wraps generated SQL in LIMIT 0 subquery - Self-correction loop: on error, feeds error back to LLM for fix - Tenant-aware: respects current session variables - schema_prompt() SQL function: generates DDL + sample data + indexes - Returns full CREATE TABLE statement with column types and constraints - Includes up to 5 sample rows for context - Lists indexes, RLS policies, foreign keys - Perfect for feeding into LLM context - All 340+ existing tests pass	2026-05-17 15:38:14 +03:00
dimgigov	80c3fee9de	feat: 10.2.3 ChatMessageHistory + 10.2.4 RAG pipeline example ... - clients/python/baradb/chat_history.py: BaraDBChatHistory class - Stores conversation threads in BaraDB with multi-tenant RLS - session_id + tenant_id + user_id isolation - Auto-creates table and index - Compatible with LangChain message format - examples/rag_pipeline.py: End-to-end RAG pipeline example - PDF/text ingestion -> chunking -> embedding -> BaraDB storage - Hybrid search with vector distance - LLM generation (OpenAI / Ollama) - Supports --file and --query modes - Configurable chunk size, overlap, top-k - PLAN.md: Updated all Session 10 tasks as complete	2026-05-17 15:30:20 +03:00
dimgigov	13bc17cfa8	feat: 10.1.4 Chunking + embedding pipeline ... - New modules: src/barabadb/ai/chunk.nim (text chunking) and embed.nim (HTTP embedding client) - chunk() SQL function: returns JSON array of chunks with configurable size/overlap - embed_text() SQL function: calls external embedding API (OpenAI/Ollama compatible) - Auto-embedding on INSERT: when VECTOR column is null but TEXT column is populated, generates embeddings via configured embedder - Configurable via env vars: BARADB_EMBED_ENDPOINT, BARADB_EMBED_MODEL, BARADB_EMBED_API_KEY - All 340+ existing tests pass	2026-05-17 15:26:24 +03:00
dimgigov	8a395225c0	feat: Session 10.3 MCP Server + Session 11 Graph Engine Deep Integration ... MCP Server (10.3): - STDIO JSON-RPC 2.0 transport with 3 AI tools: query, vector_search, schema_inspect - Multi-tenant session vars (tenant_id, user_id) with RLS support - Standalone binary: build/baramcp - Tested with all 3 tools + parameterized queries + vector search + schema inspect Graph Engine Deep Integration (Session 11): - CREATE GRAPH / DROP GRAPH DDL support - Graph engine wired to SQL executor via GRAPH_TABLE() function - 7 algorithms: BFS, DFS, PageRank, ShortestPath, Dijkstra, Louvain, Community - INSERT into _nodes/_edges tables auto-syncs with native Graph adjacency lists - Optional MATCH pattern, ALGORITHM, START, END, MAXDEPTH in GRAPH_TABLE syntax - All 340+ existing tests pass	2026-05-17 15:18:31 +03:00
dimgigov	55bc3e862a	feat(langchain): Session 10.2 — LangChain Vector Store (Python + JS) ... - BaraDBStore for Python: add_texts, similarity_search, max_marginal_relevance_search, delete - BaraDBStore for JS: addDocuments, addTexts, similaritySearch, maxMarginalRelevanceSearch, delete - Both use hybrid_search() / hybrid_search_filtered() for vector+FTS+RRF - Multi-tenant support via tenant_id session variable + metadata filter - Embedding function is injected by user (OpenAI, sentence-transformers, etc.) - MMR reranking for result diversity	2026-05-17 13:46:42 +03:00
dimgigov	67965ffa8b	feat(hybrid): Session 10.1.3 — Metadata pre-filtering in vector search ... - Populate HNSW metadata with all relational columns during INSERT and CREATE INDEX - Add doHybridSearchFiltered() using searchWithFilter() for HNSW pre-filtering - Add SQL function hybrid_search_filtered(table, vec_col, text_col, query, vector, k, filter_col, filter_val) - Enforce k-limit on both doHybridSearch and doHybridSearchFiltered results - 2 tests: tenant isolation + empty filter fallback	2026-05-17 13:41:30 +03:00
dimgigov	836d30d84a	feat(hybrid): Session 10.1 — Hybrid RAG Search with RRF reranking ... - Add searchEx() to vector engine returning metadata - Add reciprocalRankFusion(), doHybridSearch(), findRealIdByDocId() helpers - Add SQL functions: hybrid_search(), hybrid_search_ids(), rerank() - Fix CREATE INDEX HNSW docId to use hash(fullKey) matching INSERT - 5 tests covering hybrid search, ids, RRF ranking, rerank, missing indexes	2026-05-17 13:30:19 +03:00
dimgigov	f622c8f82c	docs(plan): archive old plan, create AI-Native Data Platform roadmap ... - PLAN.md → PLAN_old_3.md (sessions 1-9 completed) - New PLAN.md: Sessions 10-12 focused on: - Vector AI Native Integration (Hybrid RAG, LangChain, MCP Server) - Graph Engine Deep Integration (Native storage, Cypher, Algorithms) - AI Agents & NL → SQL - All features preserve multi-tenant RLS isolation and MVCC safety	2026-05-17 13:08:24 +03:00
dimgigov	d2ac485b2e	docs(plan): mark Phase 2 (JOIN) and Phase 3 (FK Enforcement) as complete	2026-05-17 13:03:15 +03:00
dimgigov	2e0969245c	feat(fk): Foreign Key Enforcement — ON DELETE/UPDATE CASCADE, SET NULL, RESTRICT ... - Add tkRestrict token to lexer - Parse ON DELETE CASCADE/SET NULL/RESTRICT and ON UPDATE CASCADE/SET NULL/RESTRICT in both table-level and column-level FK constraints - Add fkOnDelete/fkOnUpdate to ColumnDef and ForeignKeyDef - Fix table-level FK constraint application (third pass after columns are created) - Implement enforceFkOnDelete, enforceFkOnUpdate, enforceFkOnChildUpdate helpers - Wire FK enforcement into DELETE and UPDATE execution paths - Add 9 regression tests covering all FK actions	2026-05-17 13:02:39 +03:00
dimgigov	dc4ad86ee1	Сесия 9: Production Hardening — prop tests (58 invariant-а), fuzz tests (35 сценария), thread safety (SharedLock ref)	2026-05-17 12:37:50 +03:00
dimgigov	19fa760604	Week 4: Production Hardening — Thread Safety, Fuzz Tests, Property-Based Tests, NimForum Smoke Test ... Thread Safety: - Add lock to BTreeIndex (insert/get/scan/remove/contains) - Add lock to InvertedIndex (addDocument/removeDocument/search/bm25/tfidf/fuzzy/regex) - Add ctxLock to ExecutionContext for DDL/schema metadata, autoIncCounters, sequences - Deep-copy sessionVars in cloneForConnection() to isolate per-connection state - Fix activeConnections check-then-act race with Lock Wire Protocol Hardening: - Fix RangeDefect in deserializeValue for invalid FieldKind bytes - Fix IndexDefect in fkFloat32/fkFloat64 by reusing readUint32/readUint64 - Fix int32/int64 cast from uint32/uint64 to use cast[] instead of constructor - Fix parseHeader to validate MsgKind instead of holey enum cast Property-Based Tests (tests/prop_test.nim): - 8 invariants for evalExprValue: literal types, commutativity, identity, double negation, NULL propagation Wire Protocol Fuzz (tests/fuzz_test.nim): - 7 fuzz tests: random bytes deserialization, truncated buffers, MsgKind casts, parseHeader logic, message roundtrips NimForum Adapter Smoke Test (tests/nimforum_smoke_test.nim): - Full TCP server lifecycle with adapter CRUD and parameterized queries Test Results: 423 tests pass, 0 failures	2026-05-17 11:57:55 +03:00
dimgigov	6021bfcb10	Сесия 9: Седмица 3 — JOIN Performance ... - Добавен IRJoinStrategy enum (nestedLoop, hash, indexNestedLoop) - Hash Join: build hash table върху по-малката страна, probe от другата - Index Nested Loop Join: използва B-Tree индекс за point lookup - Query planner chooseJoinStrategy избира стратегия според наличие на индекс - LEFT/RIGHT/FULL JOIN fallback-ват към Nested Loop - PK индексите се игнорират за INL (само explicit индекси) - Benchmark: JOIN 10K ~115ms (Hash), ~90ms (Index NL) - 5 нови теста за join performance и planner избор Тестове: 316 — 0 failures Build: 0 warnings	2026-05-17 10:50:12 +03:00
dimgigov	9d71edafd4	Сесия 9: Седмици 1+2 — Stabilization + Type Safety ... - Поправени deficiencies #5-#8 (GROUP BY bare columns, aggregate names, sync client с blocking socket, thread-safe Lock в SyncClient) - Добавен BlockingClient (net.Socket + Lock) в clients/nim/src/baradb/client.nim - Обновен src/barabadb/client/client.nim със sync клиент без waitFor - Regression тестове за всички 10 deficiencies - Добавен valueKind в IRExpr за типова информация - evalExprValue връща Value discriminated union - Премахнати parseFloat евристики от irAdd/Sub/Mul/Div/Mod/Pow/Neg - INT+INT→INT, INT+FLOAT→FLOAT, FLOAT/INT→FLOAT - 12 нови теста за type safety Тестове: 311 — 0 failures Build: 0 warnings	2026-05-17 10:21:15 +03:00
dimgigov	4c6c72dc5b	docs(plan): mark 9.1.2 as complete	2026-05-17 03:50:57 +03:00
dimgigov	2e1d982b9f	fix(executor): include arguments in aggregate column names ... Issue #6: getSelectColumns() produced count() for count(*) and max() for max(id). Now uses exprToSql() on funcArgs to generate consistent names matching the actual SQL expression. Before: columns: @[count()], rows: @[{count(*): 2}] After: columns: @[count(*)], rows: @[{count(*): 2}]	2026-05-17 03:50:43 +03:00
dimgigov	cd62f98641	docs(plan): mark 9.1.1 as complete	2026-05-17 03:47:30 +03:00
dimgigov	07a22d305d	chore: fix all build warnings and add stabilization roadmap ... - Fix 3× ResultShadowed in cypher.nim, recovery.nim, shell.nim - Remove 6× UnusedImport in test files - Build is now clean: 0 warnings, 294 tests pass - Add 4-week stabilization plan to PLAN.md (Sessions 9.1–9.4)	2026-05-17 03:47:17 +03:00