config root man

#Start server with MyISAM
--source include/force_myisam_default.inc

if (`SELECT $PS_PROTOCOL + $SP_PROTOCOL + $CURSOR_PROTOCOL
            + $VIEW_PROTOCOL > 0`)
{
   --skip Need normal protocol
}

--source include/have_optimizer_trace.inc

LET $DEFAULT_TRACE_MEM_SIZE=1048576; # 1MB
EVAL SET optimizer_trace_max_mem_size=$DEFAULT_TRACE_MEM_SIZE;
SET @@session.optimizer_trace="enabled=on";

--echo #
--echo # BUG#18195373: OPTIMIZER TRACE SHOULD PRINT NAME OF
--echo #               INDEX FOR RANGE ACCESS

CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
INSERT INTO t1 VALUES('Testing how', 'full-text search'),
                     ('is printed to the', 'optimizer trace.'),
                     ('We need test coverage','of that too');

SELECT * FROM t1 WHERE MATCH(a,b) AGAINST ("coverage");

SELECT * FROM information_schema.OPTIMIZER_TRACE;

DROP TABLE t1;