create table t1 (a int not null auto_increment, primary key (a)) engine=myisam;
set @@session.auto_increment_increment=1, @@session.auto_increment_offset=1;
insert delayed into t1 values (207);
insert delayed into t1 values (null);
insert delayed into t1 values (300);
show binlog events from 102;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	#	Query	1	#	use `test`; create table t1 (a int not null auto_increment, primary key (a)) engine=myisam
master-bin.000001	#	Query	1	#	use `test`; insert delayed into t1 values (207)
master-bin.000001	#	Intvar	1	#	INSERT_ID=208
master-bin.000001	#	Query	1	#	use `test`; insert delayed into t1 values (null)
master-bin.000001	#	Query	1	#	use `test`; insert delayed into t1 values (300)
insert delayed into t1 values (null),(null),(null),(null);
insert delayed into t1 values (null),(null),(400),(null);
11 == 11
select * from t1;
a
207
208
300
301
302
303
304
305
306
400
401
drop table t1;