isDatabaseClosedError method
True if the exception is a database closed error
Implementation
bool isDatabaseClosedError() {
  if (_message != null) {
    return _message!.contains('database_closed');
  }
  return false;
}True if the exception is a database closed error
bool isDatabaseClosedError() {
  if (_message != null) {
    return _message!.contains('database_closed');
  }
  return false;
}