978
978
insert into t1(f1) values(1);
985
984
select if(@a=@b,"ok","wrong");
987
985
insert into t1(f1) values (1) on duplicate key update f1="1";
990
988
select if(@a=@b,"ok","wrong");
992
989
insert into t1(f1) select f1 from t1 on duplicate key update f1="1";