資料查詢失敗,請聯絡管理員products A LEFT JOIN product_brands D ON A.pbID=D.pbID LEFT JOIN agentDetail C ON A.pbID=C.pbID AND C.aID="" LEFT JOIN product_class E on A.classSN=E.classSN AND E.status!="Del" LEFT JOIN product_class F ON E.fatherClassSN=F.classSN AND F.status!="Del" LEFT JOIN product_class G ON F.fatherClassSN=G.classSN AND G.status!="Del" ,You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-9,9' at line 4