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From "Ajay Aggarwal (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-461) JPQL: navigation through embedded class field does not work
Date Thu, 06 Dec 2007 14:48:43 GMT
JPQL: navigation through embedded class field does not work
-----------------------------------------------------------

                 Key: OPENJPA-461
                 URL: https://issues.apache.org/jira/browse/OPENJPA-461
             Project: OpenJPA
          Issue Type: Bug
          Components: query
    Affects Versions: 0.9.7
         Environment: BEA WebLogic Server 10
            Reporter: Ajay Aggarwal


Hi Ajay Aggarwal,

I think your query is correct and should work. According to the Java Persistence query language
BNF the expression following the keyword SET might be a state_field and state_field includes
navigation through an
embedded:
state_field ::= {embedded_class_state_field.}*simple_state_field

I propose you file a JIRA issue.

Regards Michael

> I am trying to update a field of the embedded class using query, but 
> its not working. In the following code, 'registration' is an embedded 
> class field inside 'User' and 'authenticated' is a boolean field 
> inside this embedded class.
>
>  
>
> Query q = em.createQuery("UPDATE User s SET 
> s.registration.authenticated = :auth");
>
> q.setParameter("auth", false);
>
>  
>
> I am getting following error. What is the correct syntax for such a 
> query?
>
>  
>
> openjpa.persistence.ArgumentException: An error occurred while parsing 
> the query filter 'UPDATE User s SET s.registration.authenticated = 
> :auth'. Error message: <4|false|0.9.7>
> org.apache.openjpa.kernel.jpql.ParseException: Encountered "." at 
> character 33, but expected: ["="].
>
>  
>
> Thanks.


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