| Server IP : 172.67.216.182 / Your IP : 104.23.175.231 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/t/ |
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# # show the global and session values; # --source include/not_embedded.inc select @@global.explicit_defaults_for_timestamp into @save_global_explicit_defaults_for_timestamp; select @@session.explicit_defaults_for_timestamp into @save_session_explicit_defaults_for_timestamp; show global variables like 'explicit_defaults_for_timestamp'; show session variables like 'explicit_defaults_for_timestamp'; --disable_warnings select * from information_schema.global_variables where variable_name='explicit_defaults_for_timestamp'; select * from information_schema.session_variables where variable_name='explicit_defaults_for_timestamp'; --enable_warnings # # show that a SUPER privileged can write to the variables # SET GLOBAL explicit_defaults_for_timestamp=TRUE; SET SESSION explicit_defaults_for_timestamp=TRUE; SET GLOBAL explicit_defaults_for_timestamp=@save_global_explicit_defaults_for_timestamp; SET SESSION explicit_defaults_for_timestamp=@save_session_explicit_defaults_for_timestamp; # # show that it's read-only to a NOT super privileged # --echo ** Creating new user without super privilege** CREATE USER damn; --echo ** Connecting connn using username 'sameea' ** connect (conn_damn,localhost,damn,,); --error ER_SPECIFIC_ACCESS_DENIED_ERROR SET GLOBAL explicit_defaults_for_timestamp=TRUE; --error ER_SPECIFIC_ACCESS_DENIED_ERROR SET SESSION explicit_defaults_for_timestamp=TRUE; --connection default DROP USER damn;