Quelle  subselect_no_mat.test  Sprache: unbekannt

# 
# Run subselect.test without semi-join optimization (test materialize)
#
select @@optimizer_switch like '%materialization=on%';
set optimizer_switch='materialization=off';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';

set join_cache_level=1;
set @join_cache_level_for_subselect_test=@@join_cache_level;

--source subselect.test

set optimizer_switch=default;
select @@optimizer_switch like '%materialization=on%';
set @join_cache_level_for_subselect_test=NULL;