# ulong global
--source include/have_maria.inc

SET @start_global_value = @@global.aria_pagecache_age_threshold;

#
# exists as global only
#
select @@global.aria_pagecache_age_threshold;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.aria_pagecache_age_threshold;
show global variables like 'aria_pagecache_age_threshold';
show session variables like 'aria_pagecache_age_threshold';
select * from information_schema.global_variables where variable_name='aria_pagecache_age_threshold';
select * from information_schema.session_variables where variable_name='aria_pagecache_age_threshold';

#
# show that it's writable
#
set global aria_pagecache_age_threshold=200;
select @@global.aria_pagecache_age_threshold;
--error ER_GLOBAL_VARIABLE
set session aria_pagecache_age_threshold=1;

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

#
# min/max values, block size
#
set global aria_pagecache_age_threshold=1;
select @@global.aria_pagecache_age_threshold;
set global aria_pagecache_age_threshold=@@global.aria_pagecache_age_threshold + 100 - 1;
select @@global.aria_pagecache_age_threshold;
set global aria_pagecache_age_threshold=@@global.aria_pagecache_age_threshold + 100;
select @@global.aria_pagecache_age_threshold;
set global aria_pagecache_age_threshold=cast(-1 as unsigned int);
select @@global.aria_pagecache_age_threshold;

SET @@global.aria_pagecache_age_threshold = @start_global_value;