SET @saved_profiling=@@GLOBAL.profiling;
SET @saved_init_connect=@@GLOBAL.init_connect;
SET GLOBAL init_connect="set @a=2;set @b=3";
SET GLOBAL profiling=on;
create user mysqltest1@localhost;
connect  con1,localhost,mysqltest1,,;
connection con1;
SELECT @a, @b;
@a	@b
2	3
SHOW PROFILES;
Query_ID	Duration	Query
1	#	set @a=2;set @b=3
2	#	set @b=3
3	#	SELECT @a, @b
connection default;
disconnect con1;
DROP USER mysqltest1@localhost;
SET GLOBAL profiling=@saved_profiling;
SET GLOBAL init_connect=@saved_init_connect;