echo mysql_query("SELECT COUNT(*) FROM users_online_now")mysql_num_rows(): supplied argument is not a valid MySQL result resource..但是,如果我查询另一个表,例如:
echo mysql_query("SELECT COUNT(*) FROM users&qu
它今天早上在没有任何解释的情况下崩溃了,但我知道一些索引被破坏了。我试着用命令mcsadmin重新启动它,但是我得到了一条消息,上面写着“restartSystem调用失败”。14:16:24 2020 25105ERROR 2002 (HY000): Can't connect to local MySQLserver through socket '/usr/local/mariadb/columnstore/