config root man

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

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/t/slave_parallel_workers_basic.test

--source include/not_embedded.inc

let $var= slave_parallel_workers;
eval set @save.$var= @@global.$var;

#
# exists as global only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
eval select @@session.$var;

--disable_warnings
select variable_name from information_schema.global_variables where variable_name='$var';
select variable_name from information_schema.session_variables where variable_name='$var';
--enable_warnings

#
# show that it's writable
#
let $value= 0;
eval set @@global.$var= $value;
eval select @@global.$var;

#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
eval set @@global.$var= 1.1;
--error ER_WRONG_TYPE_FOR_VAR
eval set @@global.$var= "foo";

#
# min/max values
#
eval set @@global.$var= 0;
eval set @@global.$var= cast(-1 as unsigned int);
eval select @@global.$var as "truncated to the maximum";

# cleanup

eval set @@global.$var= @save.$var;

Man Man