Function cli_advanced_command

sql-common/client.c:692–768

}

my_bool
cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
		     const uchar *header, ulong header_length,
		     const uchar *arg, ulong arg_length, my_bool skip_check,
                     MYSQL_STMT *stmt)
{
  NET *net= &mysql->net;
  my_bool result= 1;
  my_bool stmt_skip= stmt ? stmt->state != MYSQL_STMT_INIT_DONE : FALSE;
  DBUG_ENTER("cli_advanced_command");

  if (mysql->net.vio == 0)
  {						/* Do reconnect if possible */
    if (mysql_reconnect(mysql) || stmt_skip)
      DBUG_RETURN(1);
  }
  if (mysql->status != MYSQL_STATUS_READY ||
      mysql->server_status & SERVER_MORE_RESULTS_EXISTS)
  {
    DBUG_PRINT("error",("state: %d", mysql->status));
    set_mysql_error(mysql, CR_COMMANDS_OUT_OF_SYNC, unknown_sqlstate);
    DBUG_RETURN(1);
  }

  net_clear_error(net);
  mysql->info=0;
  mysql->affected_rows= ~(my_ulonglong) 0;
  /*
    Do not check the socket/protocol buffer on COM_QUIT as the
    result of a previous command might not have been read. This
    can happen if a client sends a query but does not reap the
    result before attempting to close the connection.
  */
  net_clear(&mysql->net, (command != COM_QUIT));

#if !defined(EMBEDDED_LIBRARY)
  /*
    If auto-reconnect mode is enabled check if connection is still alive before
    sending new command. Otherwise, send() might not notice that connection was
    closed by the server (for example, due to KILL statement), and the fact that
    connection is gone will be noticed only on attempt to read command's result,
    when it is too late to reconnect. Note that such scenario can still occur if
    connection gets killed after this check but before command is sent to
    server. But this should be rare.
  */
  if ((command != COM_QUIT) && mysql->reconnect && !vio_is_connected(net->vio))
    net->error= 2;
#endif

  if (net_write_command(net,(uchar) command, header, header_length,
			arg, arg_length))
  {
    DBUG_PRINT("error",("Can't send command to server. Error: %d",
			socket_errno));
    if (net->last_errno == ER_NET_PACKET_TOO_LARGE)
    {
      set_mysql_error(mysql, CR_NET_PACKET_TOO_LARGE, unknown_sqlstate);
      goto end;