message: Without MySQL client connection, we can also parse the new response in buffer.
diff: @@ -1321,11 +1321,6 @@ static PHP_METHOD(swoole_mysql_coro_statement, nextResult)
  }
  mysql_client *client = stmt->client;
  - if (!client->cli)
  - {
  - swoole_php_fatal_error(E_WARNING, "mysql connection#%d is closed.", client->fd);
  - RETURN_FALSE;
  - }
  if (stmt->buffer && stmt->buffer->offset < stmt->buffer->length)
  {
  