alter table performance_schema.objects_summary_global_by_type
add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.objects_summary_global_by_type;
ALTER TABLE performance_schema.objects_summary_global_by_type
ADD INDEX test_index(OBJECT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index
ON performance_schema.objects_summary_global_by_type(OBJECT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
