
#
# 2010-01-25 - Added
#

--source include/have_innodb.inc

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

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

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

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

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

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