
#
# 2010-01-20 OBN Added check for variable and I_S values after incorrect change attempt
#

--source include/have_profiling.inc

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

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

#
# show that it's writable
#
set global profiling_history_size=10;
set session profiling_history_size=20;
select @@global.profiling_history_size;
select @@session.profiling_history_size;
show global variables like 'profiling_history_size';
show session variables like 'profiling_history_size';
select * from information_schema.global_variables where variable_name='profiling_history_size';
select * from information_schema.session_variables where variable_name='profiling_history_size';

#
# incorrect assignments
#
--error ER_WRONG_TYPE_FOR_VAR
set global profiling_history_size=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global profiling_history_size=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global profiling_history_size="foo";

#
# min/max
#
set session profiling_history_size=0;
select @@profiling_history_size;
set session profiling_history_size=101;
select @@profiling_history_size;

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