set @innodb_with_mrricp=@@optimizer_switch;
set optimizer_switch='mrr=off,mrr_sort_keys=off,index_condition_pushdown=off';
set @innodb_test_dont_touch_optimizer_switch=1;

--source t/innodb.test

set @innodb_test_dont_touch_optimizer_switch=NULL;
set optimizer_switch=@innodb_with_mrricp;