select * from performance_schema.setup_consumers;
NAME	ENABLED
events_stages_current	YES
events_stages_history	YES
events_stages_history_long	YES
events_statements_current	YES
events_statements_history	YES
events_statements_history_long	YES
events_waits_current	YES
events_waits_history	YES
events_waits_history_long	YES
global_instrumentation	YES
thread_instrumentation	YES
statements_digest	YES
select * from performance_schema.setup_consumers
where name='events_waits_current';
NAME	ENABLED
events_waits_current	YES
select * from performance_schema.setup_consumers
where enabled='YES';
NAME	ENABLED
events_stages_current	YES
events_stages_history	YES
events_stages_history_long	YES
events_statements_current	YES
events_statements_history	YES
events_statements_history_long	YES
events_waits_current	YES
events_waits_history	YES
events_waits_history_long	YES
global_instrumentation	YES
thread_instrumentation	YES
statements_digest	YES
select * from performance_schema.setup_consumers
where enabled='NO';
NAME	ENABLED
insert into performance_schema.setup_consumers
set name='FOO', enabled='YES';
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table `performance_schema`.`setup_consumers`
update performance_schema.setup_consumers
set name='FOO';
ERROR HY000: Invalid performance_schema usage
update performance_schema.setup_consumers
set enabled='YES';
delete from performance_schema.setup_consumers;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`setup_consumers`
delete from performance_schema.setup_consumers
where name='events_waits_current';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`setup_consumers`
LOCK TABLES performance_schema.setup_consumers READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.setup_consumers WRITE;
UNLOCK TABLES;
#
# MDEV-25325 column_comment for performance_schema tables
#
select column_name, column_comment 
from information_schema.columns 
where table_schema='performance_schema' and table_name='setup_consumers';
column_name	column_comment
NAME	Consumer name
ENABLED	YES or NO for whether or not the consumer is enabled. You can modify this column to ensure that event information is added, or is not added.