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[英]org.hibernate.MappingException: Foreign key must have same number of columns as the referenced primary key
[英]org.hibernate.MappingException: Foreign key (FK12A711396456CA10:) must have same number of columns as the referenced primary key
我在Java代码中的Netbeans遇到此错误:
org.hibernate.MappingException: Foreign key (FK12A711396456CA10:devolucion_master [devolucion_consecutivo])) must have same number of columns as the referenced primary key (devolucion [detalle_ticket_id,detalle_ticket_ticket_id,detalle_ticket_fondo_fijo_id,detalle_ticket_caja_id,consecutivo]
我使用DevolucionMaster到Devolucion的外键,使用了Devolucion的“ consecutivo”到DevolucionMaster的变量“ consecutivo”,问题是对于Devolucion,“键”是复合键,而我只将外键使用键,也许就是这个原因(需要使用构成主键的5个键)。
这是DevolucionMaster.hbm.mxl:
<hibernate-mapping>
<class catalog="pos" name="dunosusa.pos.model.DevolucionMaster" table="devolucion_master">
<composite-id class="dunosusa.pos.model.DevolucionMasterId" name="id">
<key-property name="id" type="int">
<column name="id"/>
</key-property>
<key-property name="detalleTicketTicketId" type="int">
<column name="detalle_ticket_ticket_id"/>
</key-property>
<key-property name="detalleTicketFondoFijoId" type="int">
<column name="detalle_ticket_fondo_fijo_id"/>
</key-property>
<key-property name="detalleTicketCajaId" type="int">
<column name="detalle_ticket_caja_id"/>
</key-property>
</composite-id>
<many-to-one class="dunosusa.pos.model.Devolucion" fetch="select" name ="devolucion">
<column name="devolucion_consecutivo" not-null="true"/>
</many-to-one>
<many-to-one class="dunosusa.pos.model.Usuario" fetch="select" name="usuario">
<column length="6" name="usuario_clave_autorizo"/>
</many-to-one>
<many-to-one class="dunosusa.pos.model.Ticket" fetch="select" insert="false" name="ticket" update="false">
<column name="detalle_ticket_ticket_id" not-null="true"/>
<column name="detalle_ticket_fondo_fijo_id" not-null="true"/>
<column name="detalle_ticket_caja_id" not-null="true"/>
</many-to-one>
<property name="total" type="big_decimal">
<column name="total" not-null="true" precision="10"/>
</property>
<property name="fecha" type="timestamp">
<column length="19" name="fecha"/>
</property>
</class>
</hibernate-mapping>
这里是Devolucion.hbm.xml:
<hibernate-mapping>
<class catalog="pos" name="dunosusa.pos.model.Devolucion" table="devolucion">
<composite-id class="dunosusa.pos.model.DevolucionId" name="id">
<key-property name="detalleTicketId" type="int">
<column name="detalle_ticket_id"/>
</key-property>
<key-property name="detalleTicketTicketId" type="int">
<column name="detalle_ticket_ticket_id"/>
</key-property>
<key-property name="detalleTicketFondoFijoId" type="int">
<column name="detalle_ticket_fondo_fijo_id"/>
</key-property>
<key-property name="detalleTicketCajaId" type="int">
<column name="detalle_ticket_caja_id"/>
</key-property>
<key-property name="consecutivo" type="int">
<column name="consecutivo"/>
</key-property>
</composite-id>
<many-to-one class="dunosusa.pos.model.MotivoDevolucion" fetch="select" name="motivoDevolucion">
<column name="motivo_devolucion_id" not-null="true"/>
</many-to-one>
<many-to-one class="dunosusa.pos.model.DetalleTicket" fetch="select" insert="false" name="detalleTicket" update="false">
<column name="detalle_ticket_id" not-null="true"/>
<column name="detalle_ticket_ticket_id" not-null="true"/>
<column name="detalle_ticket_fondo_fijo_id" not-null="true"/>
<column name="detalle_ticket_caja_id" not-null="true"/>
</many-to-one>
<many-to-one class="dunosusa.pos.model.ControlCorte" fetch="select" name="controlCorte">
<column name="control_corte_fondo_fijo_id" not-null="true"/>
<column name="control_corte_caja_id" not-null="true"/>
</many-to-one>
<property name="cantidad" type="big_decimal">
<column name="cantidad" precision="8"/>
</property>
<property name="fecha" type="timestamp">
<column length="19" name="fecha"/>
</property>
<property name="comentario" type="string">
<column length="150" name="comentario"/>
</property>
<property name="controlDevolucion" type="boolean">
<column name="control_devolucion" not-null="true"/>
</property>
<set name="devolucionMasters" inverse="true">
<key>
<column name="devolucion_consecutivo" not-null="true" />
</key>
<one-to-many class="dunosusa.pos.model.DevolucionMaster" />
</set>
</class>
</hibernate-mapping>
DevolucionMaster.java :(仅变量,而不是set和get)
public class DevolucionMaster implements java.io.Serializable {
private DevolucionMasterId id;
private Devolucion devolucion;
private Usuario usuario;
private Ticket ticket;
private BigDecimal total;
private Date fecha;
}
Devolucion.java :(与DevolucionMaster相同)
public class Devolucion implements java.io.Serializable {
private DevolucionId id;
private MotivoDevolucion motivoDevolucion;
private DetalleTicket detalleTicket;
private ControlCorte controlCorte;
private BigDecimal cantidad;
private Date fecha;
private String comentario;
private boolean controlDevolucion;
private Set devolucionMasters = new HashSet(0);
}
我不知道我的错误是什么,我已经在互联网上搜索了类似的错误,但没有一个解决方案奏效(请原谅我的英语不好)。
非常感谢!
是的,您有一个Devolucion
类的组合主键,并且您试图仅通过一个简单的列/字段devolucion_master.devolucion_consecutivo
来引用它。
我不知道一种容易告诉Hibernate的方法devolucion_consecutivo
列实际上是dunosusa.pos.model.DevolucionId
类型。
这就是为什么我从未使用过复合主键的原因。 我总是有一个Long
类型的主键( bigint
),并在需要的地方强制唯一性以组成外键。 使用起来更容易,没有像您遇到的问题那样的问题。
附录:我只是做了一些挖掘,实际上,有一种方法可以做到这一点:-)但是正如我所说的那样,它不如使用单列PK / FK键那么容易。
代替这个:
<hibernate-mapping>
<class catalog="pos" name="dunosusa.pos.model.DevolucionMaster" table="devolucion_master">
...
<many-to-one class="dunosusa.pos.model.Devolucion" fetch="select" name="devolucion">
<column name="devolucion_consecutivo" not-null="true"/>
</many-to-one>
...
您应该这样列出FK中的所有PK列:
<hibernate-mapping package="dunosusa.pos.model">
<class catalog="pos" name="DevolucionMaster" table="devolucion_master">
...
<many-to-one class="Devolucion" fetch="select" name="devolucion">
<column name="devolucion_detalle_ticket_id" not-null="true"/>
<column name="devolucion_detalle_ticket_ticket_id" not-null="true"/>
<column name="devolucion_detalle_ticket_fondo_fijo_id" not-null="true"/>
<column name="devolucion_detalle_ticket_caja_id" not-null="true"/>
<column name="devolucion_consecutivo" not-null="true"/>
</many-to-one>
...
一个小建议-使用hibernate-mapping
元素的package
属性,这样您不必在任何地方键入它-使其更具可读性。
祝好运。
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