Rene Nochebuena
0acf4da97e
Introduces code.nochebuena.dev/einherjar/db-sqlite — the SQLite database starter for the Einherjar framework. Absorbs the sqlite package from micro-lib using the pure-Go modernc.org/sqlite driver (no CGO, cross-compilation compatible). Interfaces (CT-6: one TypeSpec per file): - Executor — ExecContext, QueryContext, QueryRowContext (database/sql types) - Tx — Executor + Commit(), Rollback() — no ctx; honest database/sql contract - Provider — GetExecutor, Begin, Ping, HandleError - Component — lifecycle.Component + observability.Checkable + Provider - UnitOfWork — Do(ctx, fn) Implementation: - New(logger, cfg) Component — pool not created until OnInit - OnInit: sql.Open with DSN (Path + Pragmas); sets MaxOpenConns, MaxIdleConns - OnStart: Ping with 5s timeout; logs "sqlite: connected" - OnStop: db.Close(); logs "sqlite: closing pool" - GetExecutor: returns active Tx from context (ctxTxKey) or *sql.DB; explicit nil return when db uninitialized to avoid typed-nil interface pitfall - Begin: wraps db.BeginTx; wrapped in xerrors on error - HealthCheck: delegates to Ping; Priority LevelDegraded (file DB; absence is non-fatal on a server restart — file always present if configured) - NewUnitOfWork(logger, provider) UnitOfWork — acquires writeMu before Begin to prevent SQLITE_BUSY under concurrent goroutines (SQLite single-writer model) - writeMu: extracted from *sqliteImpl via type assertion in NewUnitOfWork; gracefully skipped when provider is a mock (nil mu) - HandleError: sql.ErrNoRows→ErrNotFound, unique/pk constraint→ErrAlreadyExists, foreign key→ErrInvalidInput, all others→ErrInternal Config (EINHERJAR_SQLITE_* env vars): Path(required), MaxOpenConns(1), MaxIdleConns(1), Pragmas(?_journal=WAL&_timeout=5000&_fk=true) - Component interface embeds observability.Identifiable; identifiable.go implements ModulePath and ModuleVersion via runtime/debug.ReadBuildInfo() — prints in launcher banner
39 lines
1.5 KiB
Plaintext
39 lines
1.5 KiB
Plaintext
# ── Release workflow helpers ──────────────────────────────────────────────────
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COMMIT.md
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PR.md
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RELEASE.md
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# ── Go build artifacts ────────────────────────────────────────────────────────
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*.exe
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*.exe~
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*.dll
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*.so
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*.dylib
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*.test
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*.out
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/dist/
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/bin/
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# ── Go workspace (local development only) ────────────────────────────────────
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go.work
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go.work.sum
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# ── Dependency vendor directory ───────────────────────────────────────────────
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vendor/
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# ── Coverage output ───────────────────────────────────────────────────────────
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coverage.out
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coverage.html
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*.coverprofile
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# ── OS artifacts ─────────────────────────────────────────────────────────────
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.DS_Store
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Thumbs.db
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# ── Editor artifacts ──────────────────────────────────────────────────────────
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.idea/
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.vscode/
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*.swp
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*.swo
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*~
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