| 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/r/ |
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SET @start_global_value = @@global.max_join_size; SELECT @start_global_value; @start_global_value 18446744073709551615 select @@global.max_join_size; @@global.max_join_size 18446744073709551615 select @@session.max_join_size; @@session.max_join_size 18446744073709551615 show global variables like 'max_join_size'; Variable_name Value max_join_size 18446744073709551615 show session variables like 'max_join_size'; Variable_name Value max_join_size 18446744073709551615 select * from information_schema.global_variables where variable_name='max_join_size'; VARIABLE_NAME VARIABLE_VALUE MAX_JOIN_SIZE 18446744073709551615 select * from information_schema.session_variables where variable_name='max_join_size'; VARIABLE_NAME VARIABLE_VALUE MAX_JOIN_SIZE 18446744073709551615 set global max_join_size=10; set session max_join_size=20; select @@global.max_join_size; @@global.max_join_size 10 select @@session.max_join_size; @@session.max_join_size 20 show global variables like 'max_join_size'; Variable_name Value max_join_size 10 show session variables like 'max_join_size'; Variable_name Value max_join_size 20 select * from information_schema.global_variables where variable_name='max_join_size'; VARIABLE_NAME VARIABLE_VALUE MAX_JOIN_SIZE 10 select * from information_schema.session_variables where variable_name='max_join_size'; VARIABLE_NAME VARIABLE_VALUE MAX_JOIN_SIZE 20 set global max_join_size=1.1; ERROR 42000: Incorrect argument type to variable 'max_join_size' set global max_join_size=1e1; ERROR 42000: Incorrect argument type to variable 'max_join_size' set global max_join_size="foo"; ERROR 42000: Incorrect argument type to variable 'max_join_size' select @@sql_big_selects; @@sql_big_selects 0 set max_join_size=cast(-1 as unsigned int); Warnings: Note 1105 Cast to unsigned converted negative integer to it's positive complement select @@sql_big_selects; @@sql_big_selects 1 set max_join_size=100; select @@sql_big_selects; @@sql_big_selects 0 SET @@global.max_join_size = @start_global_value; SELECT @@global.max_join_size; @@global.max_join_size 18446744073709551615