쿼리문 depth 질문...

select  mb_id,
        mb_name,
        mb_9,
        mb_level
from    (select * from {$g5['member_table']}
         order by mb_9, mb_id) products_sorted,
        (select @pv := '1001585') initialisation
where   find_in_set(mb_9, @pv)
and     length(@pv := concat(@pv, ',', mb_id))

Array ( [mb_id] => 1001585 [mb_name] => 황순화 [mb_9] => 1001159 )
Array ( [mb_id] => 1002584 [mb_name] => 백의현 [mb_9] => 1001159 )
Array ( [mb_id] => 1002643 [mb_name] => 고은경1 [mb_9] => 1001159 )
Array ( [mb_id] => 1002793 [mb_name] => 신향자 [mb_9] => 1001585 )
Array ( [mb_id] => 1002803 [mb_name] => 한정은 [mb_9] => 1001585 )
Array ( [mb_id] => 1002883 [mb_name] => 황경자 [mb_9] => 1001585 )
Array ( [mb_id] => 1003214 [mb_name] => 서국영 [mb_9] => 1001585 )
Array ( [mb_id] => 1004096 [mb_name] => 김옥진 [mb_9] => 1001585 )
Array ( [mb_id] => 1004155 [mb_name] => 하영홍 [mb_9] => 1001585 )
Array ( [mb_id] => 1003681 [mb_name] => 김채안 [mb_9] => 1002584 )
Array ( [mb_id] => 1002729 [mb_name] => 김평임 [mb_9] => 1002793 )
Array ( [mb_id] => 1002877 [mb_name] => 홍정애 [mb_9] => 1002793 )
Array ( [mb_id] => 1003988 [mb_name] => 김임두 [mb_9] => 1002793 )