use performance_schema;
set @start_read_only= @@global.read_only;
grant SELECT, UPDATE on performance_schema.* to pfsuser@localhost;
flush privileges;
connect (con1, localhost, pfsuser, , test);
connection default;
set global read_only=0;
connection con1;
select @@global.read_only;
@@global.read_only
0
show grants;
Grants for pfsuser@localhost
GRANT USAGE ON *.* TO 'pfsuser'@'localhost'
GRANT SELECT, UPDATE ON `performance_schema`.* TO 'pfsuser'@'localhost'
select * from performance_schema.setup_instruments;
update performance_schema.setup_instruments set enabled='NO';
update performance_schema.setup_instruments set enabled='YES';
connection default;
set global read_only=1;
connection con1;
select @@global.read_only;
@@global.read_only
1
show grants;
Grants for pfsuser@localhost
GRANT USAGE ON *.* TO 'pfsuser'@'localhost'
GRANT SELECT, UPDATE ON `performance_schema`.* TO 'pfsuser'@'localhost'
select * from performance_schema.setup_instruments;
update performance_schema.setup_instruments set enabled='NO';
update performance_schema.setup_instruments set enabled='YES';
connection default;
grant super on *.* to pfsuser@localhost;
flush privileges;
connect (con1, localhost, pfsuser, , test);
select @@global.read_only;
@@global.read_only
1
show grants;
Grants for pfsuser@localhost
GRANT SUPER ON *.* TO 'pfsuser'@'localhost'
GRANT SELECT, UPDATE ON `performance_schema`.* TO 'pfsuser'@'localhost'
select * from performance_schema.setup_instruments;
update performance_schema.setup_instruments set enabled='NO';
update performance_schema.setup_instruments set enabled='YES';
connection default;
set global read_only= @start_read_only;
drop user pfsuser@localhost;
flush privileges;