| Server IP : 104.21.38.3 / Your IP : 172.70.142.173 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.group_concat_max_len; SELECT @start_global_value; @start_global_value 1024 SET @start_session_value = @@session.group_concat_max_len; SELECT @start_session_value; @start_session_value 1024 '#--------------------FN_DYNVARS_034_01-------------------------#' SET @@global.group_concat_max_len = 100; SET @@global.group_concat_max_len = DEFAULT; SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 1024 SET @@session.group_concat_max_len = 200; SET @@session.group_concat_max_len = DEFAULT; SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 1024 '#--------------------FN_DYNVARS_034_02-------------------------#' SET @@global.group_concat_max_len = DEFAULT; SELECT @@global.group_concat_max_len = 1; @@global.group_concat_max_len = 1 0 SET @@session.group_concat_max_len = DEFAULT; SELECT @@session.group_concat_max_len = 1; @@session.group_concat_max_len = 1 0 '#--------------------FN_DYNVARS_034_03-------------------------#' SET @@global.group_concat_max_len = 1; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '1' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 4 SET @@global.group_concat_max_len = 60020; SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 60020 SET @@global.group_concat_max_len = 65535; SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 65535 '#--------------------FN_DYNVARS_034_04-------------------------#' SET @@session.group_concat_max_len = 1; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '1' SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 4 SET @@session.group_concat_max_len = 50050; SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 50050 SET @@session.group_concat_max_len = 65535; SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 65535 '#------------------FN_DYNVARS_034_05-----------------------#' SET @@global.group_concat_max_len = 0; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '0' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 4 SET @@global.group_concat_max_len = -1024; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '-1024' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 4 SET @@global.group_concat_max_len = 65536; SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 65536 SET @@global.group_concat_max_len = 65530.34; ERROR 42000: Incorrect argument type to variable 'group_concat_max_len' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 65536 SET @@global.group_concat_max_len = test; ERROR 42000: Incorrect argument type to variable 'group_concat_max_len' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 65536 SET @@session.group_concat_max_len = 0; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '0' SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 4 SET @@session.group_concat_max_len = -2; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '-2' SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 4 SET @@session.group_concat_max_len = 65530.34; ERROR 42000: Incorrect argument type to variable 'group_concat_max_len' SET @@session.group_concat_max_len = 65550; SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 65550 SET @@session.group_concat_max_len = test; ERROR 42000: Incorrect argument type to variable 'group_concat_max_len' SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 65550 '#------------------FN_DYNVARS_034_06-----------------------#' SELECT @@global.group_concat_max_len = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='group_concat_max_len'; @@global.group_concat_max_len = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_034_07-----------------------#' SELECT @@session.group_concat_max_len = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='group_concat_max_len'; @@session.group_concat_max_len = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_034_08-----------------------#' SET @@global.group_concat_max_len = TRUE; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '1' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 4 SET @@global.group_concat_max_len = FALSE; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '0' SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 4 '#---------------------FN_DYNVARS_001_09----------------------#' SET @@global.group_concat_max_len = 10; SELECT @@group_concat_max_len = @@global.group_concat_max_len; @@group_concat_max_len = @@global.group_concat_max_len 0 '#---------------------FN_DYNVARS_001_10----------------------#' SET @@group_concat_max_len = 100; SELECT @@group_concat_max_len = @@local.group_concat_max_len; @@group_concat_max_len = @@local.group_concat_max_len 1 SELECT @@local.group_concat_max_len = @@session.group_concat_max_len; @@local.group_concat_max_len = @@session.group_concat_max_len 1 '#---------------------FN_DYNVARS_001_11----------------------#' SET group_concat_max_len = 1; Warnings: Warning 1292 Truncated incorrect group_concat_max_len value: '1' SELECT @@group_concat_max_len; @@group_concat_max_len 4 SELECT local.group_concat_max_len; ERROR 42S02: Unknown table 'local' in field list SELECT session.group_concat_max_len; ERROR 42S02: Unknown table 'session' in field list SELECT group_concat_max_len = @@session.group_concat_max_len; ERROR 42S22: Unknown column 'group_concat_max_len' in 'field list' SET @@global.group_concat_max_len = @start_global_value; SELECT @@global.group_concat_max_len; @@global.group_concat_max_len 1024 SET @@session.group_concat_max_len = @start_session_value; SELECT @@session.group_concat_max_len; @@session.group_concat_max_len 1024