drop table if exists t1; create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb; select * from t1; c1 c2 stamp replace delayed into t1 (c1, c2) values ( "text1","11"); ERROR HY000: DELAYED option not supported for table 't1' select * from t1; c1 c2 stamp replace delayed into t1 (c1, c2) values ( "text1","12"); ERROR HY000: DELAYED option not supported for table 't1' select * from t1; c1 c2 stamp drop table t1;