create table t1 (a varchar(50));
reset master;
SET TIMESTAMP=10000;
SET @`a b`='hello';
INSERT INTO t1 VALUES(@`a b`);
set @var1= "';aaa";
SET @var2=char(ascii('a'));
insert into t1 values (@var1),(@var2);
show binlog events from 98;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	98	User var	1	139	@`a b`=_latin1 0x68656C6C6F COLLATE latin1_swedish_ci
master-bin.000001	139	Query	1	231	use `test`; INSERT INTO t1 VALUES(@`a b`)
master-bin.000001	231	User var	1	273	@`var1`=_latin1 0x273B616161 COLLATE latin1_swedish_ci
master-bin.000001	273	User var	1	311	@`var2`=_latin1 0x61 COLLATE latin1_swedish_ci
master-bin.000001	311	Query	1	411	use `test`; insert into t1 values (@var1),(@var2)
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
ROLLBACK;
SET @`a b`:=_latin1 0x68656C6C6F COLLATE `latin1_swedish_ci`;
use test;
SET TIMESTAMP=10000;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
SET @@session.sql_mode=0;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8;
INSERT INTO t1 VALUES(@`a b`);
SET @`var1`:=_latin1 0x273B616161 COLLATE `latin1_swedish_ci`;
SET @`var2`:=_latin1 0x61 COLLATE `latin1_swedish_ci`;
SET TIMESTAMP=10000;
insert into t1 values (@var1),(@var2);
ROLLBACK;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
drop table t1;