Hibernate查詢報錯:org.hibernate.hql.internal.ast.QuerySyntaxException: XXX is not mapped
- 這個錯誤的產生原因是,hibernate執行查詢的語句hql是面向物件的查詢,而不是面向資料庫表的查詢,因此在hql語句中的物件名必須與實體類的類名一致,嚴格區分大小寫。
- 如實體類為 Car,則hql語句中應該為:
SELECT c.price FROM Car c
而不能隨意寫成SELECT c.price FROM car c
或SELECT c.price FROM CAR c
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