Glenn Silverman created OPENJPA-2426:
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             Summary: LIKE operator fails with Postgresql v 9.1
                 Key: OPENJPA-2426
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2426
             Project: OpenJPA
          Issue Type: Question
          Components: jpa
    Affects Versions: 2.2.2
         Environment: Apache Karaf v 2.3.2 and Aries JPA
            Reporter: Glenn Silverman


I'm getting very discouraged with OpenJPA as it relates to Postgresql v 9.1 and 
and creating queries using the LIKE operator.  I know there was an issue a few 
years back, https://issues.apache.org/jira/browse/OPENJPA-2056, but I've tried 
everything mentioned there as a workaround to get a simple query like this to 
work:

Query query = em.createQuery("SELECT p FROM Patient p where p.lastname = 
:lastname");
                query.setParameter("lastname", "Silver");               
                
List<Patient> patients = query.getResultList();

I've tried different property settings in my persistence.xml:

<property name="openjpa.jdbc.DBDictionary" value="postgres"/>  

and this:

<property name="openjpa.jdbc.DBDictionary" 
value="postgres(SearchStringEscape=\)"/> 

and even this:

<property name="openjpa.jdbc.DBDictionary" 
value="postgresRequiresSearchStringEscapeForLike=false)"/> 

Nothing works. I'm not even convinced Aries JPA, the environment I'm running in 
under Karaf, even recognizes these property settings.

When I use Hibernate as my persistence provider, I don't have this problem.  I 
don't want to give up on OpenJPA in my OSGi environment, but I may have to if 
no one has a solution.



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