--source include/have_debug.inc
--source include/have_xtradb.inc
--source include/linux.inc
--source include/not_embedded.inc

# A dynamic, global variable

SET @start_value = @@GLOBAL.innodb_sched_priority_purge;

# Default value
SELECT @@GLOBAL.innodb_sched_priority_purge;

# Global only
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@SESSION.innodb_sched_priority_purge;

# Correct values
# The high priority values may need permissions, thus do not test them
# SET GLOBAL innodb_sched_priority_purge=39;
# SELECT @@GLOBAL.innodb_sched_priority_purge;
#SET GLOBAL innodb_sched_priority_purge=34;
# SELECT @@GLOBAL.innodb_sched_priority_purge;
SET GLOBAL innodb_sched_priority_purge=19;
SELECT @@GLOBAL.innodb_sched_priority_purge;
SET GLOBAL innodb_sched_priority_purge=5;
SELECT @@GLOBAL.innodb_sched_priority_purge;
SET GLOBAL innodb_sched_priority_purge=0;
SELECT @@GLOBAL.innodb_sched_priority_purge;

# Incorrect values
SET GLOBAL innodb_sched_priority_purge=-1;
SELECT @@GLOBAL.innodb_sched_priority_purge;
#SET GLOBAL innodb_sched_priority_purge=40;
#SELECT @@GLOBAL.innodb_sched_priority_purge;
--error ER_WRONG_TYPE_FOR_VAR
SET GLOBAL innodb_sched_priority_purge=1.1;
--error ER_WRONG_TYPE_FOR_VAR
SET GLOBAL innodb_sched_priority_purge=1e1;
--error ER_WRONG_TYPE_FOR_VAR
SET GLOBAL innodb_sched_priority_purge='foo';

# If we are lacking permissions, then we cannot restore the startup value
# at the end.
--source include/restart_mysqld.inc