# Tests for PERFORMANCE_SCHEMA

-- error ER_DBACCESS_DENIED_ERROR
alter table performance_schema.user_variables_by_thread
  add column foo integer;

-- error ER_TABLEACCESS_DENIED_ERROR
truncate table performance_schema.user_variables_by_thread;

-- error ER_DBACCESS_DENIED_ERROR
ALTER TABLE performance_schema.user_variables_by_thread
  ADD INDEX test_index(VARIABLE_NAME);

-- error ER_DBACCESS_DENIED_ERROR
CREATE UNIQUE INDEX test_index
  ON performance_schema.user_variables_by_thread(VARIABLE_NAME);

-- error ER_DBACCESS_DENIED_ERROR
DROP INDEX `PRIMARY`
  ON performance_schema.user_variables_by_thread;