Server IP : 172.67.216.182 / Your IP : 172.70.143.132 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/sys_vars/r/ |
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** Setup ** SET @default_read_only = @@global.read_only; SET @default_super_read_only = @@global.super_read_only; SET @@global.read_only = OFF; SET @@global.super_read_only = OFF; CREATE TABLE t1 ( id INT NOT NULL auto_increment, PRIMARY KEY (id), name BLOB ); INSERT INTO t1 VALUES (1, 'good'); SET @@global.super_read_only = OFF; SET @@global.read_only = OFF; SELECT IF(@@global.super_read_only, 'FAIL', 'OK') AS sro, IF(@@global.read_only, 'FAIL', 'OK') AS ro; sro ro OK OK SET @@global.super_read_only = ON; SELECT IF(@@global.super_read_only, 'OK', 'FAIL') AS sro, IF(@@global.read_only, 'OK', 'FAIL') AS ro; sro ro OK OK SET @@global.super_read_only = OFF; SELECT IF(@@global.super_read_only, 'FAIL', 'OK') AS sro, IF(@@global.read_only, 'OK', 'FAIL') AS ro; sro ro OK OK SET @@global.super_read_only = ON; SELECT IF(@@global.super_read_only, 'OK', 'FAIL') AS sro, IF(@@global.read_only, 'OK', 'FAIL') AS ro; sro ro OK OK SET @@global.read_only = OFF; SELECT IF(@@global.super_read_only, 'FAIL', 'OK') AS sro, IF(@@global.read_only, 'FAIL', 'OK') AS ro; sro ro OK OK ** Creating new user with explicit super privilege** CREATE user sameea; GRANT SUPER ON *.* TO sameea; SET @@global.super_read_only = ON; ** Connecting connn using username 'sameea' ** CREATE TABLE t2 ( id INT NOT NULL auto_increment, PRIMARY KEY (id), name BLOB ); ERROR HY000: The MySQL server is running with the --super-read-only option so it cannot execute this statement not updating values INSERT into t1(name) values("aaassssssssddddddddffffff"); Got one of the listed errors UPDATE t1 SET name="samia" where id=1; Got one of the listed errors SELECT * FROM t1; id name 1 good '#--------------------FN_DYNVARS_140_03-------------------------#' CREATE TEMPORARY TABLE t3(a int); '#--------------------FN_DYNVARS_140_04-------------------------#' ** Connection default ** SET Global super_read_only=OFF; ** Connection connn ** CREATE TABLE t2 ( id INT NOT NULL auto_increment, PRIMARY KEY (id), name BLOB ); updating values INSERT into t2(name) values("aaassssssssdddddddd"); UPDATE t2 SET name="samia" where id=1; ** Connection default ** ** Disconnecting connn ** DROP USER sameea; DROP TABLE t1; DROP TABLE t2; SET global super_read_only = @default_super_read_only; SET global read_only = @default_read_only;