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# ulong global
--source include/have_maria.inc
SET @start_global_value = @@global.maria_pagecache_age_threshold;
#
# exists as global only
#
select @@global.maria_pagecache_age_threshold, @@global.aria_pagecache_age_threshold;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.maria_pagecache_age_threshold, @@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 like '%aria_pagecache_age_threshold';
select * from information_schema.session_variables where variable_name like '%aria_pagecache_age_threshold';
#
# show that it's writable
#
set global maria_pagecache_age_threshold=200;
select @@global.maria_pagecache_age_threshold, @@global.aria_pagecache_age_threshold;
--error ER_GLOBAL_VARIABLE
set session maria_pagecache_age_threshold=1;
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global maria_pagecache_age_threshold=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global maria_pagecache_age_threshold=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global maria_pagecache_age_threshold="foo";
#
# min/max values, block size
#
set global maria_pagecache_age_threshold=1;
select @@global.maria_pagecache_age_threshold, @@global.aria_pagecache_age_threshold;
set global maria_pagecache_age_threshold=@@global.maria_pagecache_age_threshold + 100 - 1;
select @@global.maria_pagecache_age_threshold, @@global.aria_pagecache_age_threshold;
set global maria_pagecache_age_threshold=@@global.maria_pagecache_age_threshold + 100;
select @@global.maria_pagecache_age_threshold, @@global.aria_pagecache_age_threshold;
set global maria_pagecache_age_threshold=cast(-1 as unsigned int);
select @@global.maria_pagecache_age_threshold, @@global.aria_pagecache_age_threshold;
SET @@global.maria_pagecache_age_threshold = @start_global_value;
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