这条sql语句有什么兼容问题吗?
$query   =   "   select   *   from   $member_table   me1   left   join   (select   *,max(lead_date)   as   maxdate   from   $leada_table   group   by   user_id   order   by   lead_date)   temp   on   (me1.user_id   =   temp.user_id)   where   me1.islead   =   1   and   temp.maxdate   <=   '$timestamp ' ";


这条sql语句有什么兼容问题吗?
本地测试通过,服务器上出错You   have   an   error   in   your   SQL   syntax.     Check   the   manual   that   corresponds   to   your   MySQL   server   version   for   the   right   syntax   to   use   near   'select   *,max(lead_date)   as   maxdate   from   haoshutong_leada_cn

本地mysql   4.1.21
服务器   MySQL   4.0.23

------解决方案--------------------
子查询4.0不支持，就是中间那个select