쿼리문이 엔터에 따라 값이 바뀌기도 하나요?

select mb_id, mb_9, mb_name
from {$g5['member_table']}
where mb_id='{$main_name}'
union
select mb_id, mb_9, mb_name
from    (select * from {$g5['member_table']}
         order by mb_9, mb_id) products_sorted,
        (select @pv := '{$main_name}') initialisation
where   find_in_set(mb_9, @pv)
        and length(@pv := concat(@pv, ',', mb_id))

select mb_id, mb_9, mb_name from {$g5['member_table']} where mb_id='{$main_name}'
union
select mb_id, mb_9, mb_name
from    (select * from {$g5['member_table']}
         order by mb_9, mb_id) products_sorted,
        (select @pv := '{$main_name}') initialisation
where   find_in_set(mb_9, @pv)
        and length(@pv := concat(@pv, ',', mb_id))