【发布时间】:2019-10-08 18:36:58
【问题描述】:
我在将订单信息插入 oracle 数据库时遇到问题。 当我在 JUnit 类中调用 createOrder 函数时,它会抛出如下所示的错误。
Hibernate: select ORDERS_SEQ.nextval from dual
Hibernate: insert into BOOKORDERS (CUSTOMER_ID, ORDER_DATE, ORDER_STATUS,
ORDER_TOTAL, PAYMENT_METHOD, RECIPIENT_NAME, RECIPIENT_PHONE,
SHIPPING_ADDRESS, ORDER_ID) values (?, ?, ?, ?, ?, ?, ?, ?, ?)
Hibernate: insert into DETAILORDER (quantity, subTotal, book, bookorders)
values (?, ?, ?, ?)
May 22, 2019 12:26:18 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper
logExceptions
WARN: SQL Error: 904, SQLState: 42000
May 22, 2019 12:26:18 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper
logExceptions
ERROR: ORA-00904: "BOOKORDERS": invalid identifier
我该如何解决?
我可以与实体包中的相关类共享一个相关代码Order类。
BookOrders 类
@Entity
@Table(name="BOOKORDERS",catalog = "JSPPROJECTDATABASE")
public class BookOrders implements Serializable{
...
@Id
@SequenceGenerator(name="ORDERS_SEQ", sequenceName="ORDERS_SEQ", allocationSize=1)
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="ORDERS_SEQ")
@Column(name="ORDER_ID", nullable = false)
private int id;
@OneToMany(fetch = FetchType.EAGER,mappedBy = "pk.bookorders", cascade=CascadeType.ALL,orphanRemoval = true)
private Set<DetailOrder> orderDetails = new HashSet<DetailOrder>();
}
图书课
@Entity
@Table(name="BOOK",catalog = "JSPPROJECTDATABASE"){
...
@Id
@SequenceGenerator(name="BOOK_SEQ", sequenceName="BOOK_SEQ", allocationSize=1)
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="BOOK_SEQ")
@Column(name="BOOK_ID", nullable = false)
private int id;
@OneToMany(fetch = FetchType.EAGER,mappedBy = "pk.book", cascade=CascadeType.ALL)
private Set<DetailOrder> detailOrders = new HashSet<DetailOrder>(); }
明细订单类
@Entity
@Table(name = "DETAILORDER", catalog = "JSPPROJECTDATABASE")
@AssociationOverrides({
@AssociationOverride(name = "pk.bookorders",
joinColumns = @JoinColumn(name = "ORDER_ID")),
@AssociationOverride(name = "pk.book",
joinColumns = @JoinColumn(name = "BOOK_ID")) })
public class DetailOrder implements Serializable{
private DetailOrderId pk = new DetailOrderId();
@Id
@SequenceGenerator(name="DETAIL_ORDER_SEQ", sequenceName="DETAIL_ORDER_SEQ", allocationSize=1)
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="DETAIL_ORDER_SEQ")
@Column(name="DETAIL_ORDER_ID", nullable = false)
private int id;
@ManyToOne(fetch = FetchType.EAGER,cascade=CascadeType.ALL)
@JoinColumn(name = "BOOK_ID")
private Book book;
@ManyToOne(fetch = FetchType.EAGER,cascade=CascadeType.ALL)
@JoinColumn(name = "ORDER_ID")
private BookOrders bookorders;
@Column(name="QUANTITY")
private int quantity;
@Column(name="SUBTOTAL")
private float subTotal;
@EmbeddedId
public DetailOrderId getPk() {
return pk;
}
public void setPk(DetailOrderId pk) {
this.pk = pk;
}
}
DetailOrderId 类
@Embeddable
public class DetailOrderId implements Serializable{
@ManyToOne(fetch = FetchType.EAGER,cascade=CascadeType.ALL)
@JoinColumn(name = "BOOK_ID")
private Book book;
@ManyToOne(fetch = FetchType.EAGER,cascade=CascadeType.ALL)
@JoinColumn(name = "ORDER_ID")
private BookOrders bookorders;
}
测试插入代码
@Test
public void testCreateOrder() {
System.out.println("testCreateOrder");
BookOrders bookorders = new BookOrders();
Customer customer = new Customer();
customer.setId(42);
bookorders.setCustomer(customer);
bookorders.setRecipentName("Recipent Name");
bookorders.setRecipentPhone("123456789");
bookorders.setShippingAddress("Address");
Set<DetailOrder> orderDetails = new HashSet<DetailOrder>();
DetailOrder detailOrder = new DetailOrder();
Book book = new Book(24);
detailOrder.setBook(book);
detailOrder.setQuantity(1);
detailOrder.setSubTotal(33.99f);
detailOrder.setOrders(bookorders);
orderDetails.add(detailOrder);
bookorders.setOrderDetails(orderDetails);
BookOrders savedOrders = ordersDAO.create(bookorders);
assertNotNull(savedOrders);
//assertTrue(savedOrders.getId() > 0);
}
【问题讨论】:
-
“BOOKORDERS”列是否存在?
-
插入 DETAILORDER (quantity, subTotal, book, bookorders) 值 (?, ?, ?, ?) - 这似乎是个问题,嘿。
-
显示您为插入而运行的 java 代码
-
当您想向个人发送消息时,请在名称前加上
@符号,例如@J_D -
@J_D 我编辑我的帖子。
标签: java oracle hibernate oracle11g mapping