# # Run explain_json.inc with all of the so-called 6.0 features. --source include/have_64bit.inc set optimizer_switch='semijoin=on,materialization=on,firstmatch=on,loosescan=on,index_condition_pushdown=on,mrr=on'; --source suite/xengine_main/include/explain_json.inc set optimizer_switch=default; --source suite/xengine/include/check_xengine_log_error.inc