| Server IP : 172.67.216.182 / Your IP : 172.69.176.55 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.innodb_tmpdir;
SELECT @start_global_value;
@start_global_value
NULL
select @@session.innodb_tmpdir;
@@session.innodb_tmpdir
NULL
show global variables like 'innodb_tmpdir';
Variable_name Value
innodb_tmpdir
show session variables like 'innodb_tmpdir';
Variable_name Value
innodb_tmpdir
select * from information_schema.global_variables where variable_name='innodb_tmpdir';
VARIABLE_NAME VARIABLE_VALUE
INNODB_TMPDIR
select * from information_schema.session_variables where variable_name='innodb_tmpdir';
VARIABLE_NAME VARIABLE_VALUE
INNODB_TMPDIR
set global innodb_tmpdir=@@global.tmpdir;
set session innodb_tmpdir=@@global.tmpdir;
set global innodb_tmpdir=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_tmpdir'
set global innodb_tmpdir=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_tmpdir'
set global innodb_tmpdir=repeat('a',1000);
ERROR 42000: Variable 'innodb_tmpdir' can't be set to the value of 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
show warnings;
Level Code Message
Warning 1210 Path length should not exceed 512 bytes
Error 1231 Variable 'innodb_tmpdir' can't be set to the value of 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
SET @@global.innodb_tmpdir = @start_global_value;
SELECT @@global.innodb_tmpdir;
@@global.innodb_tmpdir
NULL