# bool global
--source include/have_innodb.inc

SET @start_global_value = @@global.innodb_background_scrub_data_check_interval;

--echo #
--echo # default value
--echo #
select @@global.innodb_background_scrub_data_check_interval;
set global innodb_background_scrub_data_check_interval=10;
select @@global.innodb_background_scrub_data_check_interval;
set global innodb_background_scrub_data_check_interval=DEFAULT;
select @@global.innodb_background_scrub_data_check_interval;
set global innodb_background_scrub_data_check_interval=20;
select @@global.innodb_background_scrub_data_check_interval;
set global innodb_background_scrub_data_check_interval=DEFAULT;
select @@global.innodb_background_scrub_data_check_interval;

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

--echo #
--echo # show that it's writable
--echo #
set global innodb_background_scrub_data_check_interval=10;
select @@global.innodb_background_scrub_data_check_interval;
set global innodb_background_scrub_data_check_interval=20;
select @@global.innodb_background_scrub_data_check_interval;
set global innodb_background_scrub_data_check_interval=1;
select @@global.innodb_background_scrub_data_check_interval;
--error ER_GLOBAL_VARIABLE
set session innodb_background_scrub_data_check_interval=1;

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

SET @@global.innodb_background_scrub_data_check_interval = @start_global_value;