Server IP : 172.67.216.182 / Your IP : 172.70.208.15 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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#################################################################### # Displaying default value # #################################################################### SELECT @@GLOBAL.table_open_cache_instances; @@GLOBAL.table_open_cache_instances 16 #################################################################### # Check that value cannot be set (this variable is settable only # # at start-up). # #################################################################### SET @@GLOBAL.table_open_cache_instances=1; ERROR HY000: Variable 'table_open_cache_instances' is a read only variable SELECT @@GLOBAL.table_open_cache_instances; @@GLOBAL.table_open_cache_instances 16 ################################################################# # Check if the value in GLOBAL Table matches value in variable # ################################################################# SELECT @@GLOBAL.table_open_cache_instances = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='table_open_cache_instances'; @@GLOBAL.table_open_cache_instances = VARIABLE_VALUE 1 SELECT @@GLOBAL.table_open_cache_instances; @@GLOBAL.table_open_cache_instances 16 SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='table_open_cache_instances'; VARIABLE_VALUE 16 ###################################################################### # Check if accessing variable with and without GLOBAL point to same # # variable # ###################################################################### SELECT @@table_open_cache_instances = @@GLOBAL.table_open_cache_instances; @@table_open_cache_instances = @@GLOBAL.table_open_cache_instances 1 ###################################################################### # Check if variable has only the GLOBAL scope # ###################################################################### SELECT @@table_open_cache_instances; @@table_open_cache_instances 16 SELECT @@GLOBAL.table_open_cache_instances; @@GLOBAL.table_open_cache_instances 16 SELECT @@local.table_open_cache_instances; ERROR HY000: Variable 'table_open_cache_instances' is a GLOBAL variable SELECT @@SESSION.table_open_cache_instances; ERROR HY000: Variable 'table_open_cache_instances' is a GLOBAL variable