
#
# 2010-01-27 - Added
#

--source include/have_innodb.inc

SET @start_global_value = @@global.innodb_spin_wait_delay;
SELECT @start_global_value;

#
# exists as global only
#
--echo Valid values are zero or above
select @@global.innodb_spin_wait_delay >=0;
select @@global.innodb_spin_wait_delay;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_spin_wait_delay;
show global variables like 'innodb_spin_wait_delay';
show session variables like 'innodb_spin_wait_delay';
select * from information_schema.global_variables where variable_name='innodb_spin_wait_delay';
select * from information_schema.session_variables where variable_name='innodb_spin_wait_delay';

#
# show that it's writable
#
set global innodb_spin_wait_delay=10;
select @@global.innodb_spin_wait_delay;
select * from information_schema.global_variables where variable_name='innodb_spin_wait_delay';
select * from information_schema.session_variables where variable_name='innodb_spin_wait_delay';
--error ER_GLOBAL_VARIABLE
set session innodb_spin_wait_delay=1;

#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_spin_wait_delay=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_spin_wait_delay=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_spin_wait_delay="foo";

set global innodb_spin_wait_delay=-7;
select @@global.innodb_spin_wait_delay;
select * from information_schema.global_variables where variable_name='innodb_spin_wait_delay';

#
# cleanup
#
SET @@global.innodb_spin_wait_delay = @start_global_value;
SELECT @@global.innodb_spin_wait_delay;
