1--source include/not_embedded.inc 2--source include/have_perfschema.inc 3 4# 5# Only global 6# 7 8select @@global.performance_schema_digests_size; 9 10--error ER_INCORRECT_GLOBAL_LOCAL_VAR 11select @@session.performance_schema_digests_size; 12 13show global variables like 'performance_schema_digests_size'; 14 15show session variables like 'performance_schema_digests_size'; 16 17--disable_warnings 18select * from information_schema.global_variables 19 where variable_name='performance_schema_digests_size'; 20 21select * from information_schema.session_variables 22 where variable_name='performance_schema_digests_size'; 23--enable_warnings 24 25# 26# Read-only 27# 28 29--error ER_INCORRECT_GLOBAL_LOCAL_VAR 30set global performance_schema_digests_size=1; 31 32--error ER_INCORRECT_GLOBAL_LOCAL_VAR 33set session performance_schema_digests_size=1; 34 35