资料库查询错误，条件是 select main.chinesef, COALESCE( vietnamese.chap) as chap,COALESCE( vietnamese.sec) as sec,COALESCE( vietnamese.id) as rid,main.engs,vietnamese.txt,ispar(main.engs,vietnamese.chap,vietnamese.sec),main.id from vietnamese,main where main.engs=COALESCE( vietnamese.engs) and main.chineses='徒' and COALESCE( vietnamese.chap)= order by main.id asc, chap asc, sec asc !