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