列名“vehicle\u userId”无效:线程“main”org.hibernate.Exception.sqlgrammareexception中出现异常:无法执行语句
我在这里创建userdetails表列名“vehicle\u userId”无效:线程“main”org.hibernate.Exception.sqlgrammareexception中出现异常:无法执行语句,hibernate,Hibernate,我在这里创建userdetails表 package model; import java.util.Date; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax
package model;
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@Entity
@Table(name = "USERDETAILS")
public class UserDetails {
private int userId;
private String userName;
private Date joineddate;
private String description;
private Vehicle vehicle;
@OneToOne
public Vehicle getVehicle() {
return vehicle;
}
public void setVehicle(Vehicle vehicle) {
this.vehicle = vehicle;
}
public void setJoineddate(Date joineddate) {
this.joineddate = joineddate;
}
@Temporal(TemporalType.DATE)
public Date getJoineddate() {
return joineddate;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
@Column(name = "User_Name")
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
}
在这里,我使用一对一映射创建车辆表
package model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class Vehicle {
private int vehicleId;
private String vehicleName;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="userId")
public int getVehicleId() {
return vehicleId;
}
public void setVehicleId(int vehicleId) {
this.vehicleId = vehicleId;
}
public String getVehicleName() {
return vehicleName;
}
public void setVehicleName(String vehicleName) {
this.vehicleName = vehicleName;
}
}
我犯了这样的错误
package hibernate;
import java.util.Date;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
//import model.Address;
import model.UserDetails;
import model.Vehicle;
public class HibernateTest {
public static void main(String[] args) {
SessionFactory sessionFactory = new Configuration().configure()
.buildSessionFactory();
Session session = sessionFactory.openSession();
UserDetails user = new UserDetails();
user.setUserName("bhagyasri");
user.setDescription("bhagyasri's description");
user.setJoineddate(new Date());
Vehicle vehicle = new Vehicle();
vehicle.setVehicleName("hero");
user.setVehicle(vehicle);
session.beginTransaction();
session.save(user);
session.save(vehicle);
session.getTransaction().commit();
session.close();
}
}
休眠配置
Jan 16, 2015 4:17:43 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
WARN: SQL Error: 207, SQLState: S0001
Jan 16, 2015 4:17:43 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
ERROR: Invalid column name 'vehicle_userId'.
Exception in thread "main" org.hibernate.exception.SQLGrammarException: could not execute statement
at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:123)
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112)
at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:211)
这是我的配置文件。。我得到的列名“vehicle\u userId”无效:SQLGrammarException我没有得到确切的问题是什么有什么建议吗?在您的案例中,当您将@OneToOne放在某个映射工具上时,默认的预期列名是u,在您的案例中,该列名解析为vehicle\u userId,因为字段名是vehicle,并且vehicleetVehicleid上有@Columnname=userId
首先,vehicleId的列可能是错误的,因为它被命名为userId。因此,将其更改为
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hbm2ddl.auto">create</property>
<property name="dialect">org.hibernate.dialect.SQLServer2008Dialect</property>
<property name="connection.url">jdbc:sqlserver://192.168.2.219\SQLEXPRESS;databaseName=train</property>
<property name="connection.username">train</property>
<property name="connection.password">tspl@123</property>
<property name="connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>
<property name="show_sql">true</property>
<mapping class="model.UserDetails" />
<mapping class="model.Vehicle" />
</session-factory>
</hibernate-configuration>
在UserDetails中更改为
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="vehicleId")
public int getVehicleId() {
return vehicleId;
}
如果您有USERDETAILS.VEHICLE\u ID列,这将起作用。再次抛出相同的错误无效列名“VEHICLE\u vehicleId”。主线程org.hibernate.Exception.sqlgrammareexception中的异常:无法在org.hibernate.Exception.internal.SQLStateConversionDelegate.convertSQLStateConversionDelegate.java:123处执行语句。您确定没有更多到车辆的映射吗?你能打开SQL日志并用它更新问题吗?
@OneToOne
@JoinColumn(name = "vehicle_id")
public Vehicle getVehicle() {
return vehicle;
}