--source include/have_profiling.inc

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

#
# exists as global and session
#
select @@global.profiling;
select @@session.profiling;
show global variables like 'profiling';
show session variables like 'profiling';
select * from information_schema.global_variables where variable_name='profiling';
select * from information_schema.session_variables where variable_name='profiling';

#
# show that it's writable
#
set global profiling=1;
select @@global.profiling;
set session profiling=ON;
select @@session.profiling;

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

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