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From "Ravi P Palacherla (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (OPENJPA-1511) Executing a cached query doesn't properly cache results after DataCache eviction
Date Tue, 23 Feb 2010 22:46:27 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ravi P Palacherla reassigned OPENJPA-1511:
------------------------------------------

    Assignee: Ravi P Palacherla

> Executing a cached query doesn't properly cache results after DataCache eviction
> --------------------------------------------------------------------------------
>
>                 Key: OPENJPA-1511
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1511
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.0.0-beta
>            Reporter: Rick Curtis
>            Assignee: Ravi P Palacherla
>         Attachments: TestCache.java
>
>
> When doing some testing I found that the QueryCache sometimes doesn't put results into
the DataCache. 
> I haven't had time to debug the problem, but I'm opening this JIRA so I can attach the
test case I've created.
> The test scenario is as follows:
> String query = "Select t FROM Item t where 1=1 ORDER BY t.id";
> items = em.createQuery(query,Item.class).getResultList();
> assertTrue(storeCache.contains(Item.class, items.get(0).getId()));
> // Make sure that all of the results are in the DataCache.
> for(Item o : items){
>   assertTrue(storeCache.contains(Item.class, o.getId()));
> }
> storeCache.evict(Item.class,items.get(0).getId());
> // Evict one result
> assertFalse(storeCache.contains(Item.class,items.get(0).getId()));
>         
> // Executing the same query should re-populate the datacache
> items = em.createQuery(query,Item.class).getResultList();
> assertTrue(storeCache.contains(Item.class, items.get(0).getId())); // fails here

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