SQL语句无效,可能数据库被破坏。

SELECT a.id,a.username,a.nickname,a.grade,a.loveb,a.alltime,a.photo_limit,a.logincount,a.mbkind,a.mbtitle,a.magic,a.bgpic,a.sex,a.photo_s,a.click,b.id as fid,b.path_b,b.photo_limit as photo_limit_b,b.title,b.addtime,b.is_sxt FROM yzlove_main a,yzlove_photo b WHERE a.id=b.userid AND a.flag=1 AND b.flag=1 AND b.id < 22471 AND b.userid= ORDER BY b.id DESC LIMIT 1