# 2010-01-25 - Added
#

--source include/have_innodb.inc

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

#
# exists as global only
#
--echo Valid values are between 5 and 95
select @@global.innodb_old_blocks_pct between 5 and 95;
select @@global.innodb_old_blocks_pct;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_old_blocks_pct;
show global variables like 'innodb_old_blocks_pct';
show session variables like 'innodb_old_blocks_pct';
select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct';
select * from information_schema.session_variables where variable_name='innodb_old_blocks_pct';

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

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

set global innodb_old_blocks_pct=4;
select @@global.innodb_old_blocks_pct;
select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct';
set global innodb_old_blocks_pct=-7;
select @@global.innodb_old_blocks_pct;
select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct';
set global innodb_old_blocks_pct=96;
select @@global.innodb_old_blocks_pct;
select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct';

#
# min/max values
#
set global innodb_old_blocks_pct=5;
select @@global.innodb_old_blocks_pct;
set global innodb_old_blocks_pct=95;
select @@global.innodb_old_blocks_pct;

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