add scanning into primitives

db.go

@@ -214,7 +214,7 @@ func (db *DB) Get(dest any, query string, args ...any) error {
 		return fmt.Errorf("no rows found")
 	}
 
-	return db.Scan(stmt, dest)
+	return db.scanValue(stmt, dest)
 }
 
 // Select executes a query and scans all rows into a slice
@@ -435,6 +435,59 @@ func (db *DB) Transaction(fn func() error) error {
 	return sqlitex.Execute(conn, "COMMIT", nil)
 }
 
+// scanValue scans a statement result into either a struct or primitive type
+func (db *DB) scanValue(stmt *PooledStmt, dest any) error {
+	v := reflect.ValueOf(dest)
+	if v.Kind() != reflect.Pointer {
+		return fmt.Errorf("dest must be a pointer")
+	}
+
+	elem := v.Elem()
+
+	// Handle primitive types
+	if isPrimitiveType(elem.Kind()) {
+		if stmt.ColumnCount() == 0 {
+			return fmt.Errorf("no columns in result")
+		}
+
+		return scanPrimitive(stmt, elem, 0)
+	}
+
+	// Handle struct types
+	if elem.Kind() != reflect.Struct {
+		return fmt.Errorf("dest must be a pointer to struct or primitive type")
+	}
+
+	return db.Scan(stmt, dest)
+}
+
+// isPrimitiveType checks if a reflect.Kind represents a primitive type
+func isPrimitiveType(k reflect.Kind) bool {
+	switch k {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+		reflect.String, reflect.Float32, reflect.Float64, reflect.Bool:
+		return true
+	}
+	return false
+}
+
+// scanPrimitive scans a column value into a primitive type
+func scanPrimitive(stmt *PooledStmt, fieldValue reflect.Value, colIndex int) error {
+	switch fieldValue.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		fieldValue.SetInt(stmt.ColumnInt64(colIndex))
+	case reflect.String:
+		fieldValue.SetString(stmt.ColumnText(colIndex))
+	case reflect.Float32, reflect.Float64:
+		fieldValue.SetFloat(stmt.ColumnFloat(colIndex))
+	case reflect.Bool:
+		fieldValue.SetBool(stmt.ColumnInt(colIndex) != 0)
+	default:
+		return fmt.Errorf("unsupported type: %v", fieldValue.Kind())
+	}
+	return nil
+}
+
 func convertPlaceholders(query string) (string, []string) {
 	var paramTypes []string