1--source include/not_embedded.inc
2--source include/have_perfschema.inc
3
4#
5# Only global
6#
7
8select @@global.performance_schema_max_rwlock_classes;
9
10--error ER_INCORRECT_GLOBAL_LOCAL_VAR
11select @@session.performance_schema_max_rwlock_classes;
12
13show global variables like 'performance_schema_max_rwlock_classes';
14
15show session variables like 'performance_schema_max_rwlock_classes';
16
17select * from information_schema.global_variables
18  where variable_name='performance_schema_max_rwlock_classes';
19
20select * from information_schema.session_variables
21  where variable_name='performance_schema_max_rwlock_classes';
22
23#
24# Read-only
25#
26
27--error ER_INCORRECT_GLOBAL_LOCAL_VAR
28set global performance_schema_max_rwlock_classes=1;
29
30--error ER_INCORRECT_GLOBAL_LOCAL_VAR
31set session performance_schema_max_rwlock_classes=1;
32
33