START TRANSACTION WITH CONSISTENT SNAPSHOT;
connect  con1,localhost,root,,test;
CREATE TABLE IF NOT EXISTS t1 (pk INT PRIMARY KEY, i INT, KEY(i)) ENGINE=InnoDB;
connection default;
UPDATE t1 SET i = 0;
ERROR HY000: Table definition has changed, please retry transaction
UPDATE t1 SET pk = 0;
ERROR HY000: Table definition has changed, please retry transaction
commit;
drop table t1;