我想使用HQL执行一个简单的更新在休眠,但我似乎无法得到它的工作。休眠executeUpdate IndexOutOfBounds
我有一个查询模板定义为:
private static final String CHANGE_DEVICE_STATUS
= "UPDATE THING"
+"SET ACTIVE = ? "
+"WHERE ID = ?";
,然后我尝试这样执行它:
Session s = HibernateSessionFactory.getSession();
Query query = s.createQuery(CHANGE_DEVICE_STATUS);
query.setBoolean(0, is_active);
query.setLong(1, id);
query.executeUpdate();
但现在我得到这个错误:
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.hibernate.hql.ast.HqlSqlWalker.postProcessUpdate(HqlSqlWalker.java:390)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:164)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:189)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:130)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:83)
at org.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:427)
at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:884)
at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:865)
at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:89)
....
我在这里做错了什么?我使用Hibernate 3.0
UPDATE
我改成了
Query query = s.createQuery(CHANGE_DEVICE_STATUS);
query.setBoolean(1, is_active);
query.setLong(2, id);//<---throws here
query.executeUpdate();
在不改变任何东西,但参数指标,我得到这个:
java.lang.IllegalArgumentException: Positional parameter does not exist: 2 in query:
UPDATE DEVICE_INSTANCES SET ACTIVE = ? WHERE DEVICE_INSTANCE_ID = ?
at org.hibernate.impl.AbstractQueryImpl.setParameter(AbstractQueryImpl.java:194)
at org.hibernate.impl.AbstractQueryImpl.setLong(AbstractQueryImpl.java:244)
...
更新2
现在我试着命名参数,所以我改变了这个查询(作为PE R上的建议)
private static final String CHANGE_DEVICE_STATUS
= "UPDATE DEVICE_INSTANCES "
+"SET ACTIVE = :active "
+"WHERE DEVICE_INSTANCE_ID = :id";
和我的查询代码:
Query query = s.createQuery(CHANGE_DEVICE_STATUS);
query.setBoolean("active", is_active);
query.setLong("id", device.getDeviceInstanceId());
query.executeUpdate();
,现在我得到这个异常(在调用的executeUpdate):
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.hibernate.hql.ast.HqlSqlWalker.postProcessUpdate(HqlSqlWalker.java:390)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:164)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:189)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:130)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:83)
at org.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:427)
at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:884)
at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:865)
at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:89)
...
@Imz哇,这是烦人的,谢谢你为我追踪这件事!我正在疯狂尝试所有不同的方式来创建查询。 – luke 2010-06-11 00:24:53