mariadb/mysql-test/suite/perfschema/t/dml_session_variables.test

# Tests for PERFORMANCE_SCHEMA

--source include/not_embedded.inc
--source include/have_perfschema.inc

--disable_result_log
select * from performance_schema.session_variables
  where variable_name like 'bytes_%' limit 1;

select * from performance_schema.session_variables
  where variable_name='FOO';
--enable_result_log

--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.session_variables
  set variable_name='FOO', variable_value='BAR';

--error ER_TABLEACCESS_DENIED_ERROR
update performance_schema.session_variables
  set variable_name='FOO', variable_value='BAR';

--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.session_variables
  where variable_name <> 'FOO';

--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.session_variables;

-- error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.session_variables READ;
UNLOCK TABLES;

-- error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.session_variables WRITE;
UNLOCK TABLES;