# # Run subselect3.test with BKA enabled # set @save_optimizer_switch=@@optimizer_switch; set @@optimizer_switch='optimize_join_buffer_size=on'; set @@optimizer_switch='semijoin_with_cache=on'; set @@optimizer_switch='outer_join_with_cache=on'; set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; set join_cache_level=6; show variables like 'join_cache_level'; set @join_cache_level_for_subselect3_test=@@join_cache_level; --source subselect3.test set join_cache_level=default; show variables like 'join_cache_level'; set @@optimizer_switch=@save_optimizer_switch; set @join_cache_level_for_subselect3_test=NULL;