| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/suite/sys_vars/t/ |
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# ulonglong session SET @start_global_value = @@global.join_buffer_space_limit; # # exists as global and session # --replace_column 2 # show global variables like 'join_buffer_space_limit'; --replace_column 2 # show session variables like 'join_buffer_space_limit'; --replace_column 2 # select * from information_schema.global_variables where variable_name='join_buffer_space_limit'; --replace_column 2 # select * from information_schema.session_variables where variable_name='join_buffer_space_limit'; # # show that it's writable # set global join_buffer_space_limit=10; select @@global.join_buffer_space_limit; set session join_buffer_space_limit=10; select @@session.join_buffer_space_limit; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR set global join_buffer_space_limit=1.1; --error ER_WRONG_TYPE_FOR_VAR set session join_buffer_space_limit=1e1; --error ER_WRONG_TYPE_FOR_VAR set global join_buffer_space_limit="foo"; # # min/max values, block size # set global join_buffer_space_limit=0; select @@global.join_buffer_space_limit; set global join_buffer_space_limit=4095; select @@global.join_buffer_space_limit; set session join_buffer_space_limit=cast(-1 as unsigned int); select @@session.join_buffer_space_limit; SET @@global.join_buffer_space_limit = @start_global_value;