add sqlite driver name option

demo/Dockerfile

@@ -11,9 +11,6 @@ RUN go version
 
 RUN apk --no-cache add gcc g++ 
 
-ARG GO_TAGS
-ARG PROJECT_VERSION
-
 WORKDIR /go/src/demo/
 COPY . ./
 COPY go.mod.txt ./go.mod
@@ -22,7 +19,10 @@ COPY driver-modernc.go.txt ./driver-modernc.go
 
 RUN set -Eeux && go mod tidy && go mod download && go mod verify
 
-RUN GOOS=linux CGO_ENABLED=1 go build -tags $GO_TAGS -trimpath -ldflags="-w -s -X 'main.Version=${PROJECT_VERSION}'" -o app main.go
+ARG GO_TAGS
+ARG PROJECT_VERSION
+
+RUN GOOS=linux CGO_ENABLED=1 go build -tags $GO_TAGS -trimpath -ldflags="-w -s -X 'main.Version=${PROJECT_VERSION}'" -o app .
 
 # Stage 2 
 FROM alpine:3.20.3

demo/main.go

@@ -14,7 +14,7 @@ import (
 )
 
 var (
-	dev = true
+	dev = false
 
 	log sqlog.Log
 
@@ -33,6 +33,7 @@ func init() {
 		MaxOpenedDB:     2,
 		MaxRunningTasks: 5,
 		CloseIdleSec:    10,
+		Driver:          "sqlite3",
 	})
 	if err != nil {
 		panic(err)

sqlite/storage.go

@@ -15,6 +15,8 @@ type Config struct {
 	Prefix        string            // Prefix for the database name (default "sqlog")
 	SQLiteOptions map[string]string // SQLite connection string options (https://github.com/mattn/go-sqlite3#connection-string)
 
+	Driver string // SQLite driver name (default sqlite3)
+
 	// Allows defining a custom expression processor.
 	ExprBuilder func(expression string) (*Expr, error)
 
@@ -104,6 +106,10 @@ func New(config *Config) (*storage, error) {
 		config.Prefix = strings.ToLower(strings.Join(strings.Fields(config.Prefix), "_"))
 	}
 
+	if config.Driver == "" {
+		config.Driver = "sqlite3"
+	}
+
 	if config.MaxFilesizeMB <= 0 {
 		config.MaxFilesizeMB = 20 // ~20MB
 	}
@@ -142,7 +148,7 @@ func New(config *Config) (*storage, error) {
 	}
 
 	if len(dbs) == 0 {
-		dbs = append(dbs, newDb(config.Dir, config.Prefix, time.Now(), config.MaxChunkAgeSec))
+		dbs = append(dbs, newDb(config.Driver, config.Dir, config.Prefix, time.Now(), config.MaxChunkAgeSec))
 	}
 
 	// Initialize the active database (live)

sqlite/storage_db.go

@@ -67,6 +67,7 @@ type storageDb struct {
 	db             *sql.DB    // SQLite connection object
 	taskCount      int32      // Number of scheduled tasks
 	taskMap        sync.Map   // Map of scheduled tasks
+	driver         string     // SQLite driver name
 }
 
 // schedule schedules a query execution on this instance
@@ -190,7 +191,7 @@ func (s *storageDb) connect(options map[string]string) error {
 			}
 		}
 
-		db, err := sql.Open("sqlite3", connString)
+		db, err := sql.Open(s.driver, connString)
 		if err != nil {
 			atomic.StoreInt32(&s.status, db_closed)
 			return err

sqlite/storage_routine_size.go

@@ -29,7 +29,7 @@ func (s *storage) doRoutineSizeCheck() {
 	// archiving dbs
 	if s.liveDbs[len(s.liveDbs)-1].size > int64(s.config.MaxFilesizeMB)*1000000 {
 		nextStart := time.Now().Add(time.Duration(s.config.IntervalSizeCheckSec * 2 * int32(time.Second)))
-		ndb := newDb(s.config.Dir, s.config.Prefix, nextStart, s.config.MaxChunkAgeSec)
+		ndb := newDb(s.config.Driver, s.config.Dir, s.config.Prefix, nextStart, s.config.MaxChunkAgeSec)
 		ndb.live = true
 		if err := ndb.connect(s.config.SQLiteOptions); err != nil {
 			slog.Warn(

sqlite/utils.go

@@ -13,7 +13,7 @@ import (
 	"time"
 )
 
-func newDb(dir, prefix string, start time.Time, maxChunkAgeSec int64) *storageDb {
+func newDb(driver, dir, prefix string, start time.Time, maxChunkAgeSec int64) *storageDb {
 
 	epochStart := start.Unix()
 	name := fmt.Sprintf("%s_%d.db", prefix, epochStart)
@@ -28,6 +28,7 @@ func newDb(dir, prefix string, start time.Time, maxChunkAgeSec int64) *storageDb
 		newEpochStart:  epochStart,
 		maxChunkAgeSec: maxChunkAgeSec,
 		epochEnd:       0,
+		driver:         driver,
 	}
 }