-- error ER_DBACCESS_DENIED_ERROR
ALTER TABLE performance_schema.keyring_keys
  ADD COLUMN foo INTEGER;

-- error ER_TABLEACCESS_DENIED_ERROR
TRUNCATE TABLE performance_schema.keyring_keys;

-- error ER_DBACCESS_DENIED_ERROR
ALTER TABLE performance_schema.keyring_keys ADD INDEX test_index(KEY_ID);

-- error ER_DBACCESS_DENIED_ERROR
CREATE UNIQUE INDEX test_index ON performance_schema.keyring_keys(KEY_ID);
-- error ER_DBACCESS_DENIED_ERROR
DROP INDEX `PRIMARY`
  ON performance_schema.keyring_keys;