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这是我用来调用Customer类我想使用Hibernate查询语言来执行存储过程的调用，并试着这样做的PE
public class HQLMain {
// public static void usingHibernateQuery(){
// SessionFactory sf = HibernateUtil.sf;
// Session session = sf.openSession();
// //Query query =session.createQuery("from Customer");
// Query query =session.getNamedQuery("selectName");
// query.setString("name", "master");
//
// List<Customer> customers = query.list();
// customers.forEach(customer-> System.out.println(customer.getName()));
// }
public static void usingStoredProcedure(){
SessionFactory sf = HibernateUtil.sf;
Session session = sf.openSession();
//Query query =session.createQuery("from Customer");
Query query =session.getNamedQuery("callCustomerStoredProc");
query.setString("name", "master");
List<Customer> customers = query.list();
customers.forEach(customer-> System.out.println(customer.getName()));
}
public static void main(String[] args) {
//usingHibernateQuery();
usingStoredProcedure();
}
这是作为实体这里命名类主要方法存储程序请帮助做这个存储过程使用Hibernate调用，我不知道在java.I中使用存储过程要知道什么时候我给name =“callCustomerStoredProc”并从main方法调用此方法does not作品可以请让我知道
package org.jnit.domain;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.NamedNativeQueries;
import javax.persistence.NamedNativeQuery;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.persistence.OrderColumn;
import javax.persistence.Table;
import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;
//@NamedQueries(value={@NamedQuery(name="selectName",query="from Customer where name= :name")})
@Entity
@Table(name = "customer")
@NamedNativeQueries(value={@NamedNativeQuery(name="callCustomerStoredProc",query="call fetchCustomers(:name)",resultClass=Customer.class)})
public class Customer implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue
private int customerId;
private String name;
private String street;
private String city;
private String state;
private String country;
private String zipCode;
@OneToOne(cascade = CascadeType.ALL, mappedBy = "customer", optional = true)
private PhoneInfo phoneinfo;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "customer")
@OrderColumn(name="idx")
@LazyCollection(LazyCollectionOption.EXTRA)
private List<Order> ordersplaced = new ArrayList<Order>();
public List<Order> getOrdersplaced() {
return ordersplaced;
}
public void setOrdersplaced(List<Order> ordersplaced) {
this.ordersplaced = ordersplaced;
}
public PhoneInfo getPhoneInfo() {
return phoneinfo;
}
public void setPhoneInfo(PhoneInfo phoneInfo) {
this.phoneinfo = phoneInfo;
}
public int getCustomerId() {
return customerId;
}
public void setCustomerId(int customerId) {
this.customerId = customerId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getStreet() {
return street;
}
public void setStreet(String street) {
this.street = street;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
public String getZipCode() {
return zipCode;
}
public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}
}
我越来越t他以下错误：
Hibernate: call fetchCustomers(?)
Exception in thread "main" org.hibernate.exception.SQLGrammarException: could not extract ResultSet
at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:80)
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.extract(ResultSetReturnImpl.java:91)
at org.hibernate.loader.Loader.getResultSet(Loader.java:2066)
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1863)
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1839)
at org.hibernate.loader.Loader.doQuery(Loader.java:910)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:355)
at org.hibernate.loader.Loader.doList(Loader.java:2554)
at org.hibernate.loader.Loader.doList(Loader.java:2540)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2370)
at org.hibernate.loader.Loader.list(Loader.java:2365)
at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:353)
at org.hibernate.internal.SessionImpl.listCustomQuery(SessionImpl.java:1873)
at org.hibernate.internal.AbstractSessionImpl.list(AbstractSessionImpl.java:311)
at org.hibernate.internal.SQLQueryImpl.list(SQLQueryImpl.java:141)
at org.jnit.main.HQLMain.usingStoredProcedure(HQLMain.java:31)
at org.jnit.main.HQLMain.main(HQLMain.java:37)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: PROCEDURE demo.fetchCustomers does not exist
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.Util.getInstance(Util.java:381)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1030)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3558)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3490)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1959)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2109)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2648)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2077)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2228)
at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:82)
... 15 more
看着它看起来你的程序“fetchCustomers”被下丢失的日志的权限模式“演示”。你能否确认它是否存在于数据库中提到的模式“demo”下。 – mhasan
我在演示下没有任何fetchCustomers ...并且我不知道如何为我的表customer创建存储过程。是否需要为customer表创建存储过程？如果是的话如何创建它 – shekar
但是，您在客户实体中的命名查询正在调用过程“call fetchCustomers（：name）” – mhasan