Server IP : 172.67.216.182 / Your IP : 104.23.175.175 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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SET @start_global_value = @@global.slave_checkpoint_group; SELECT @start_global_value; @start_global_value 512 select @@global.slave_checkpoint_group; @@global.slave_checkpoint_group 512 select @@session.slave_checkpoint_group; ERROR HY000: Variable 'slave_checkpoint_group' is a GLOBAL variable show global variables like 'slave_checkpoint_group'; Variable_name Value slave_checkpoint_group 512 show session variables like 'slave_checkpoint_group'; Variable_name Value slave_checkpoint_group 512 select * from information_schema.global_variables where variable_name='slave_checkpoint_group'; VARIABLE_NAME VARIABLE_VALUE SLAVE_CHECKPOINT_GROUP 512 select * from information_schema.session_variables where variable_name='slave_checkpoint_group'; VARIABLE_NAME VARIABLE_VALUE SLAVE_CHECKPOINT_GROUP 512 set global slave_checkpoint_group=1024; select @@global.slave_checkpoint_group; @@global.slave_checkpoint_group 1024 set session slave_checkpoint_group=1024; ERROR HY000: Variable 'slave_checkpoint_group' is a GLOBAL variable and should be set with SET GLOBAL set global slave_checkpoint_group=1.1; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_group' set global slave_checkpoint_group=1e1; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_group' set global slave_checkpoint_group="foo"; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_group' set global slave_checkpoint_group=0; Warnings: Warning 1292 Truncated incorrect slave_checkpoint_group value: '0' set global slave_checkpoint_group=cast(-1 as unsigned int); Warnings: Warning 1292 Truncated incorrect slave_checkpoint_group value: '18446744073709551615' select @@global.slave_checkpoint_group as "truncated to the maximum" ; truncated to the maximum 524280 SET @@global.slave_checkpoint_group = @start_global_value; SELECT @@global.slave_checkpoint_group; @@global.slave_checkpoint_group 512