資料庫查詢錯誤，條件是 select main.chinesef, COALESCE( tcv95.chap,cunp89.chap) as chap,COALESCE( tcv95.sec,cunp89.sec) as sec,COALESCE( tcv95.id,cunp89.id) as id,main.engs,tcv95.txt,cunp89.txt from tcv95 full join cunp89 on (cunp89.engs=tcv95.engs and cunp89.chap= tcv95.chap and  cunp89.sec=tcv95.sec) ,main where main.engs=COALESCE( tcv95.engs,cunp89.engs) and main.chineses='' and COALESCE( tcv95.chap,cunp89.chap)= order by tcv95.id !