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问题描述

我有3种方法将数据写入数据库

  public void create(T object){
entityManager .persist(对象);
}

public void update(T object){
object = entityManager.merge(object);

$ b public int updateStatus(String id,String status){

final int changes =
entityManager.createQuery(update item set state = :newState+
last_modified = current_timestamp+
where id =:id)
.setParameter(newState,status)
.setParameter(id ,id)
.executeUpdate();

返回更改;

$ / code>

我得到的问题是为了让Hibernate Envers实际写入将审计记录记录到corrsponsing x_aud和revinfo DB表中。它仅适用于'.persist()'或'.merge()'。我无法让它适用于'createQuery(...) .executeUpdate()'



我错过了什么,为此工作。问题是,我的很多代码都是使用.executeUpdate编写的,而不是合并,所以我真的需要使用现有的代码。



任何人都可以帮忙它看起来像 Avinash T。是对的 - 如果你想创建原生SQL查询,使用 createNativeQuery(String sqlString) EntityManager 的方法。使用 createQuery(String ejbqlString)仅当您使用EJB QL时才可能。希望这会有所帮助。


I have 3 ways things get written to the DB

public void create(T object) {
    entityManager.persist(object);
}

public void update(T object) {
    object = entityManager.merge(object);
}

public int updateStatus(String id, String status) {

    final int changes =
                entityManager.createQuery("update item set state = :newState," +
                        " last_modified = current_timestamp" +
                        " where id = : id ")
                    .setParameter("newState", status)
                    .setParameter("id", id)
                    .executeUpdate();

            return changes;
}

The problem I have, is in order to get the Hibernate Envers to actually write the audit records to the corrsponsing x_aud and revinfo DB tables. It only works successfully for '.persist()' or '.merge()'. I cannot get it to work for 'createQuery(...).executeUpdate()'

Am I missing something or does it just not work for this. The problem is, a lot of my code has been written using .executeUpdate and not merge, so really I need this to work with the existing code.

Can anyone help please?

解决方案

It looks like Avinash T. is right - if you want to create native SQL query, use createNativeQuery(String sqlString) method of EntityManager. Using createQuery(String ejbqlString) is only possible if you're using EJB QL. Hope it would help.

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09-05 21:52