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我正在使用java与休眠。休眠查询在结果中产生奇怪的符号
我刚刚设置我的项目使用休眠,但我越来越奇怪的符号/语义,当我执行我的查询。
我得到以下奇怪的符号/语义,我不知道为什么?
querying all the managed entities... executing: from CarProduct WHERE carid='27883836' Hibernate: select carproduct0_.car_id as car1_0_, carproduct0_.attribute as attribut2_0_, carproduct0_.product_id as product3_0_, carproduct0_.value as value4_0_ from car_product carproduct0_ where carproduct0_.car_id='278838836'
这里是我的主类:
import java.util.Map;
public class Main {
private static final SessionFactory ourSessionFactory;
private static final ServiceRegistry serviceRegistry;
static {
try {
Configuration configuration = new Configuration();
configuration.configure();
serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();
ourSessionFactory = configuration.buildSessionFactory(serviceRegistry);
} catch (Throwable ex) {
throw new ExceptionInInitializerError(ex);
}
}
public static Session getSession() throws HibernateException {
return ourSessionFactory.openSession();
}
public static void main(final String[] args) throws Exception {
final Session session = getSession();
try {
System.out.println("querying all the managed entities...");
final Map metadataMap = session.getSessionFactory().getAllClassMetadata();
for (Object key : metadataMap.keySet()) {
final ClassMetadata classMetadata = (ClassMetadata) metadataMap.get(key);
final String entityName = classMetadata.getEntityName();
final Query query = session.createQuery("from " + entityName + " WHERE carid='278838836'");
System.out.println("executing: " + query.getQueryString());
for (Object o : query.list()) {
System.out.println(" " + o);
}
}
} finally {
session.close();
}
}
}
可能的重复http://stackoverflow.com/questions/1710476/print-query-string-in-hibernate-with-parameter-values – ByeBye