Databases
StackOverflow2013
Postsdbo
POjpa and native queries
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POjpa and native queries
    primarykey
    data
    text
    <p>I faced with a strange thing with native queries:</p> <p>If I'm trying to use named native query like the following</p> <pre><code>@NamedNativeQuery(name = "native_count_avg_guest_quizzes", resultClass = java.math.BigDecimal.class, query = "select avg(c) as r from ((select count(*) as c from user_quiz uq join user u on (uq.user_id = u.id) where u.status = 'temporary' group by u.id) as res)") </code></pre> <p>The application cannot run and I have </p> <pre><code>org.hibernate.HibernateException: Errors in named queries: native_count_avg_guest_quizzes_ </code></pre> <p>But the same query works fine if I do not use NamedNativeQuery and merely create a dynamic native query like the following:</p> <pre><code>entityManager.createNativeQuery( "select avg(c) as r from ((select count(*) as c from user_quiz uq join user u on (uq.user_id = u.id) where u.status = 'temporary' group by u.id) as res)") .getSingleResult() </code></pre> <p>Why? What I'm doing wrong with NamedNativeQuery? Thanks</p> <p><strong>Update:</strong> Entity class is as following</p> <pre><code>@Entity @Table(name = "user_quiz") @NamedNativeQueries({ @NamedNativeQuery(name = "native_count_avg_guest_quizzes", resultClass = java.math.BigDecimal.class, query = "select avg(c) as r from ((select count(*) as c from user_quiz uq join user u on (uq.user_id = u.id) where u.status = 'temporary' group by u.id) as res)") }) @NamedQueries({ @NamedQuery(name = "list_clients_quizzes", query = "select uq from UserQuiz uq where uq.quiz.client.id = :clientId"), ....... }) public class UserQuiz extends Measurable { ....... } </code></pre>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USjjd
    1. USjjd
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POjpa and native queries
      1. USJoshan George
      1. VTFavorite
    2. VO
      singulars
      1. POjpa and native queries
      1. This table or related slice is empty.
      1. VTUpMod
    1. This table or related slice is empty.
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload