| Server IP : 104.21.38.3 / Your IP : 172.68.164.119 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;