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From "Michael Glauche (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OPENJPA-2228) QuerySQLCache broken for Entities with @EmbeddedId
Date Tue, 10 Jul 2012 18:50:34 GMT
Michael Glauche created OPENJPA-2228:
----------------------------------------

             Summary: QuerySQLCache broken for Entities with @EmbeddedId
                 Key: OPENJPA-2228
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2228
             Project: OpenJPA
          Issue Type: Bug
          Components: query
    Affects Versions: 2.2.0
            Reporter: Michael Glauche


Multiple calls of a query which has some Relationships with @EmbeddedId fields fails if QuerySQLCache
is enabled.

q = em.createQuery("select l from ListTest l where l.te=:test");
does create:
SELECT t0.id, t0.keyA, t0.keyB, t0.keyC, t1.keyA, t1.keyB, t1.keyC, t1.data1, 
        t1.data2 
    FROM ListTest t0 LEFT OUTER JOIN TestEntity t1 ON t0.keyA = t1.keyA AND t0.keyB 
        = t1.keyB AND t0.keyC = t1.keyC 
    WHERE (t0.keyA = ? AND t0.keyB = ? AND t0.keyC = ?) 
[params=(int) 1, (int) 2, (int) 3]

however a second query will create:
q = em.createQuery("select l from ListTest l where l.te=:test");
SELECT t0.id, t0.keyA, t0.keyB, t0.keyC, t1.keyA, t1.keyB, t1.keyC, t1.data1, 
        t1.data2 
    FROM ListTest t0 LEFT OUTER JOIN TestEntity t1 ON t0.keyA = t1.keyA AND t0.keyB 
        = t1.keyB AND t0.keyC = t1.keyC 
    WHERE (t0.keyA = ? AND t0.keyB = ? AND t0.keyC = ?) 
[params=(int) 3, (int) 2, (int) 3]

Note the wrong first param !
(There is some Index filed calculated somewhere in the query and the index Array has [0,0,0]
as values, so the 0th position does get updated three times .. the bug should be something
with the index i think)

See attached test-project


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