select hex(@a);
hex(@a)
NULL
select hex(@a);
hex(@a)
610063
set global init_connect="set @a=2;set @b=3";
select @a, @b;
@a	@b
2	3
set GLOBAL init_connect=DEFAULT;
select @a;
@a
NULL
set global init_connect="create table t1(a char(10));\
insert into t1 values ('\0');insert into t1 values('abc')";
select hex(a) from t1;
hex(a)
00
616263
set GLOBAL init_connect="adsfsdfsdfs";
select @a;
Got one of the listed errors
drop table t1;
