| Server IP : 172.67.216.182 / Your IP : 172.70.208.97 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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SELECT @@global.optimizer_trace_offset; @@global.optimizer_trace_offset -1 SET @@global.optimizer_trace_offset=5; show global variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset 5 select * from information_schema.global_variables where variable_name='optimizer_trace_offset'; VARIABLE_NAME VARIABLE_VALUE OPTIMIZER_TRACE_OFFSET 5 select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset -1 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset -1 select * from information_schema.session_variables where variable_name='optimizer_trace_offset'; VARIABLE_NAME VARIABLE_VALUE OPTIMIZER_TRACE_OFFSET -1 set session optimizer_trace_offset=10; select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset 10 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset 10 set session optimizer_trace_offset=0; select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset 0 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset 0 set session optimizer_trace_offset=-100; select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset -100 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset -100 set session optimizer_trace_offset=2000000000; select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset 2000000000 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset 2000000000 set session optimizer_trace_offset=-2000000000; select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset -2000000000 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset -2000000000 set session optimizer_trace_offset=default; select @@session.optimizer_trace_offset; @@session.optimizer_trace_offset 5 show session variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset 5 set global optimizer_trace_offset=default; select @@global.optimizer_trace_offset; @@global.optimizer_trace_offset -1 show global variables like 'optimizer_trace_offset'; Variable_name Value optimizer_trace_offset -1 set optimizer_trace_offset=1.1; ERROR 42000: Incorrect argument type to variable 'optimizer_trace_offset' set optimizer_trace_offset="foobar"; ERROR 42000: Incorrect argument type to variable 'optimizer_trace_offset'