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 <binlog_start>;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	#	User var	#	#	@`a b`=_latin1 0x68656C6C6F COLLATE latin1_swedish_ci
master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES(@`a b`)
master-bin.000001	#	User var	#	#	@`var1`=_latin1 0x273B616161 COLLATE latin1_swedish_ci
master-bin.000001	#	User var	#	#	@`var2`=_binary 0x61 COLLATE binary
master-bin.000001	#	Query	#	#	use `test`; insert into t1 values (@var1),(@var2)
flush logs;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
ROLLBACK/*!*/;
SET @`a b`:=_latin1 0x68656C6C6F COLLATE `latin1_swedish_ci`/*!*/;
use `test`/*!*/;
SET TIMESTAMP=10000/*!*/;
SET @@session.pseudo_thread_id=999999999/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1, @@session.autocommit=1/*!*/;
SET @@session.sql_mode=0/*!*/;
SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
/*!\C latin1 *//*!*/;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
SET @@session.lc_time_names=0/*!*/;
SET @@session.collation_database=DEFAULT/*!*/;
INSERT INTO t1 VALUES(@`a b`)
/*!*/;
SET @`var1`:=_latin1 0x273B616161 COLLATE `latin1_swedish_ci`/*!*/;
SET @`var2`:=_binary 0x61 COLLATE `binary`/*!*/;
SET TIMESTAMP=10000/*!*/;
insert into t1 values (@var1),(@var2)
/*!*/;
DELIMITER ;
# End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
drop table t1;