系统自Xiuno转换期间执行SQL语句留档
UPDATE post SET message_fmt = REPLACE(message_fmt, 'upload/attach/', '/upload/');
UPDATE post SET message_fmt = REPLACE(message_fmt, 'upload/avatar/', '/avatar/');
UPDATE thread AS t SET posts = (SELECT COUNT(p.pid) FROM post AS p WHERE p.tid = t.tid) ;
UPDATE post SET pid = pid + 100000 ;
UPDATE post SET pid = tid, tid = 0 WHERE pid IN ( SELECT MIN(pid) FROM post GROUP BY tid ) ;
UPDATE post SET quotepid = quotepid + 100000 WHERE quotepid < 200000 AND quotepid !=0 ;
UPDATE post AS p SET quote_uid = COALESCE((SELECT uid FROM post AS p1 WHERE p1.pid = p.quote_pid),0) ;
UPDATE post AS p SET quote_uid = COALESCE((SELECT uid FROM thread AS t WHERE t.tid = p.tid),0) WHERE p.quote_uid = 0 AND p.tid != 0 ;