 dimgigov
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14596c9584
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fix(adapter,executor,tests): harden nimforum adapter and fix transaction/aggregate bugs
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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
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2026-05-19 20:43:00 +03:00 |
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dimgigov
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19fa760604
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Week 4: Production Hardening — Thread Safety, Fuzz Tests, Property-Based Tests, NimForum Smoke Test
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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
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2026-05-17 11:57:55 +03:00 |
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