reset master;
create table t1 (a int not null auto_increment, primary key (a)) engine=myisam;
insert /* before delayed */ delayed /* after delayed */ into t1 values (207);
insert /*! delayed */ into t1 values (null);
insert delayed into t1 values (300);
FLUSH TABLES;
include/show_binlog_events.inc
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	#	Gtid	#	#	GTID #-#-#
master-bin.000001	#	Query	#	#	use `test`; create table t1 (a int not null auto_increment, primary key (a)) engine=myisam
master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000001	#	Query	#	#	use `test`; insert /* before delayed */  /* after delayed */ into t1 values (207)
master-bin.000001	#	Query	#	#	COMMIT
master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000001	#	Intvar	#	#	INSERT_ID=208
master-bin.000001	#	Query	#	#	use `test`; insert /*!  */ into t1 values (null)
master-bin.000001	#	Query	#	#	COMMIT
master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000001	#	Query	#	#	use `test`; insert  into t1 values (300)
master-bin.000001	#	Query	#	#	COMMIT
master-bin.000001	#	Gtid	#	#	GTID #-#-#
master-bin.000001	#	Query	#	#	use `test`; FLUSH TABLES
RESET MASTER;
insert /* before delayed */ delayed /* after delayed */ into t1 values (null),(null),(null),(null);
insert  /*! delayed */ into t1 values (null),(null),(400),(null);
FLUSH TABLES;
include/show_binlog_events.inc
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000001	#	Intvar	#	#	INSERT_ID=301
master-bin.000001	#	Query	#	#	use `test`; insert /* before delayed */  /* after delayed */ into t1 values (null),(null),(null),(null)
master-bin.000001	#	Query	#	#	COMMIT
master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000001	#	Intvar	#	#	INSERT_ID=305
master-bin.000001	#	Query	#	#	use `test`; insert  /*!  */ into t1 values (null),(null),(400),(null)
master-bin.000001	#	Query	#	#	COMMIT
master-bin.000001	#	Gtid	#	#	GTID #-#-#
master-bin.000001	#	Query	#	#	use `test`; FLUSH TABLES
select * from t1;
a
207
208
300
301
302
303
304
305
306
400
401
drop table t1;