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Current Path : /home/usr.opt/mysql57/mysql-test/suite/sys_vars/r/

FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64
Upload File :
Current File : //home/usr.opt/mysql57/mysql-test/suite/sys_vars/r/back_log_basic.result

select @@global.back_log;
@@global.back_log
80
select @@session.back_log;
ERROR HY000: Variable 'back_log' is a GLOBAL variable
show global variables like 'back_log';
Variable_name	Value
back_log	80
show session variables like 'back_log';
Variable_name	Value
back_log	80
select * from information_schema.global_variables where variable_name='back_log';
VARIABLE_NAME	VARIABLE_VALUE
BACK_LOG	80
select * from information_schema.session_variables where variable_name='back_log';
VARIABLE_NAME	VARIABLE_VALUE
BACK_LOG	80
set global back_log=1;
ERROR HY000: Variable 'back_log' is a read only variable
set session back_log=1;
ERROR HY000: Variable 'back_log' is a read only variable

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