rawQuery method
shall check if transaction already started
Implementation
@override
Future<List<Map<String, Object?>>> rawQuery(String sql, [List<Object>? params]) async {
if (sqlLogger != null) sqlLogger!('raw statement: $sql params: $params');
var result = await _db.rawQuery(sql, params);
if (resultLogger != null) resultLogger!('sql result: $result');
return result;
}