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From "Patrick Linskey (JIRA)" <>
Subject [jira] Updated: (OPENJPA-187) MEMBER OF query fails on OpenJPA, but works fine with TopLink and Hibernate EM
Date Wed, 08 Aug 2007 17:24:59 GMT


Patrick Linskey updated OPENJPA-187:

    Fix Version/s:     (was: 1.0.0)
       Issue Type: New Feature  (was: Bug)

I think that this is a new feature request, not a bug. It sounds like a neat feature, but
I do not think that it's required behavior per the spec, and probably has an easy workaround
(look up the instance first).

> MEMBER OF query fails on OpenJPA, but works fine with TopLink and Hibernate EM
> ------------------------------------------------------------------------------
>                 Key: OPENJPA-187
>                 URL:
>             Project: OpenJPA
>          Issue Type: New Feature
>          Components: query
>    Affects Versions: 0.9.7
>            Reporter: Jacek Laskowski
> What's wrong with the following query?
>   Query query = em.createQuery("SELECT DISTINCT o FROM Osoba o WHERE :projekt MEMBER
OF o.projekty");
>   query.setParameter("projekt", new Projekt("Apache OpenEJB", RodzajProjektu.OTWARTY));
>   List<Osoba> osoby = query.getResultList();
>   assert osoby.size() == 1 : "Otrzymano " + osoby.size();
> where Projekt is an entity where @Id is of type String (the first input parameter in
the two-param constructor above).
> TopLink 2.0 BUILD 40 and Hibernate EntityManager 3.3.0.GA work fine whereas OpenJPA 0.9.7-SNAPSHOT
finishes with the java.lang.AssertionError error (it's the test itself actually, but since
the query returns 0 elements the issue originates in OpenJPA).

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