Server IP : 104.21.38.3 / Your IP : 172.70.189.105 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/ |
Upload File : |
SET @start_global_value = @@global.optimizer_trace_features; SELECT @start_global_value; @start_global_value greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on select @@global.optimizer_trace_features; @@global.optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on select @@session.optimizer_trace_features; @@session.optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on show global variables like 'optimizer_trace_features'; Variable_name Value optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on show session variables like 'optimizer_trace_features'; Variable_name Value optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on select * from information_schema.global_variables where variable_name='optimizer_trace_features'; VARIABLE_NAME VARIABLE_VALUE OPTIMIZER_TRACE_FEATURES greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on select * from information_schema.session_variables where variable_name='optimizer_trace_features'; VARIABLE_NAME VARIABLE_VALUE OPTIMIZER_TRACE_FEATURES greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on set global optimizer_trace_features=2; select @@global.optimizer_trace_features; @@global.optimizer_trace_features greedy_search=off,range_optimizer=on,dynamic_range=off,repeated_subselect=off set session optimizer_trace_features=2; select @@session.optimizer_trace_features; @@session.optimizer_trace_features greedy_search=off,range_optimizer=on,dynamic_range=off,repeated_subselect=off set global optimizer_trace_features=0; select @@global.optimizer_trace_features; @@global.optimizer_trace_features greedy_search=off,range_optimizer=off,dynamic_range=off,repeated_subselect=off set session optimizer_trace_features=0; select @@session.optimizer_trace_features; @@session.optimizer_trace_features greedy_search=off,range_optimizer=off,dynamic_range=off,repeated_subselect=off set session optimizer_trace_features=default; select @@session.optimizer_trace_features; @@session.optimizer_trace_features greedy_search=off,range_optimizer=off,dynamic_range=off,repeated_subselect=off set global optimizer_trace_features=1.1; ERROR 42000: Incorrect argument type to variable 'optimizer_trace_features' set global optimizer_trace_features=1e1; ERROR 42000: Incorrect argument type to variable 'optimizer_trace_features' set session optimizer_trace_features="foobar"; ERROR 42000: Variable 'optimizer_trace_features' can't be set to the value of 'foobar' SET @@global.optimizer_trace_features = @start_global_value; SELECT @@global.optimizer_trace_features; @@global.optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on