#
# only global
#
--replace_result 196608 262144
select @@global.thread_stack;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.thread_stack;
--replace_result 196608 262144
show global variables like 'thread_stack';
--replace_result 196608 262144
show session variables like 'thread_stack';
--replace_result 196608 262144
select * from information_schema.global_variables where variable_name='thread_stack';
--replace_result 196608 262144
select * from information_schema.session_variables where variable_name='thread_stack';

#
# show that it's read-only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global thread_stack=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session thread_stack=1;
