我有一个为此错误消息命名的问题,如下所示。
java.sql.SQLSyntaxErrorException: ORA-00904: "DETAILORDE1_"."BOOK": invalid identifier
它的意思是不要使用书籍和详细订单类进行映射。
我搜索了许多资源来解决它。我尝试了很多选择,但没有任何变化。pk.book的价值不能从书类中感知到。
我该如何解决它?
以下是下面显示的代码。
书
@Entity
@Table(name="BOOK",catalog = "JSPPROJECTDATABASE")
public class Book implements Serializable{
...
@OneToMany(mappedBy = "pk.book", cascade=CascadeType.ALL)
private Set<DetailOrder> detailOrders = new HashSet<DetailOrder>();
详细订单
@Entity
@Table(name = "DETAIL_ORDER", catalog = "JSPPROJECTDATABASE")
@AssociationOverrides({
@AssociationOverride(name = "pk.orders",
joinColumns = @JoinColumn(name = "ORDER_ID")),
@AssociationOverride(name = "pk.book",
joinColumns = @JoinColumn(name = "BOOK_ID")) })
public class DetailOrder implements Serializable{
...
@EmbeddedId
public DetailOrderId getPk() {
return pk;
}
public void setPk(DetailOrderId pk) {
this.pk = pk;
}
@Transient
public Book getBook() {
return getPk().getBook();
}
public void setBook(Book book) {
getPk().setBook(book);
}
@Transient
public Orders getOrders() {
return getPk().getOrders();
}
public void setOrders(Orders orders) {
getPk().setOrders(orders);
}
DetailOrderId
@Embeddable
public class DetailOrderId implements Serializable{
@ManyToOne(cascade=CascadeType.ALL)
@JoinColumn(name = "BOOK_ID")
private Book book;
@ManyToOne(cascade=CascadeType.ALL)
@JoinColumn(name = "ORDER_ID")
private Orders orders;
public Book getBook() {
return book;
}
public void setBook(Book book) {
this.book = book;
}
public Orders getOrders() {
return orders;
}
public void setOrders(Orders orders) {
this.orders = orders;
}
我在不使用复合 id 的情况下解决了这个问题。