資料庫查詢錯誤，條件是 select main.chinesef, COALESCE( ttvhl2021.chap,ttvh.chap) as chap,COALESCE( ttvhl2021.sec,ttvh.sec) as sec,COALESCE( ttvhl2021.id,ttvh.id) as id,main.engs,ttvhl2021.txt,ttvh.txt from ttvhl2021 full join ttvh on (ttvh.engs=ttvhl2021.engs and ttvh.chap= ttvhl2021.chap and  ttvh.sec=ttvhl2021.sec) ,main where main.engs=COALESCE( ttvhl2021.engs,ttvh.engs) and main.chineses='' and COALESCE( ttvhl2021.chap,ttvh.chap)= order by ttvhl2021.id !