# 
# Run explain_non_select.inc on MyISAM without any of the socalled 6.0 features.
#

--source include/not_embedded.inc

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

set @save_storage_engine= @@session.default_storage_engine;
set session default_storage_engine = MyISAM;
# Next 2 variables control the JSON format output and validation in explain_utils.
# 1 = enable, 0 = disable
--let $json   = 1
# Validation disabled due to not having Python with JSON on all PB machines.
--let $validation = 0
--source include/explain_non_select.inc
set default_storage_engine= @save_storage_engine;

set optimizer_switch=default;
