config root man

# The include statement below is a temp one for tests that are yet to
#be ported to run with InnoDB,
#but needs to be kept for tests that would need MyISAM in future.
--source include/no_valgrind_without_big.inc
--source include/force_myisam_default.inc

# 
# Run func_in.inc with cost-based MRR
#

--source include/have_mrr.inc

set optimizer_switch='mrr=on,mrr_cost_based=on';

--disable_query_log
if (`select locate('semijoin', @@optimizer_switch) > 0`) 
{
  set optimizer_switch='semijoin=off';
}
if (`select locate('materialization', @@optimizer_switch) > 0`) 
{
  set optimizer_switch='materialization=off';
}
if (`select locate('index_condition_pushdown', @@optimizer_switch) > 0`) 
{
  set optimizer_switch='index_condition_pushdown=off';
}
--enable_query_log

--source include/func_in.inc

set optimizer_switch=default;