Incorrect statement order on flush with foreign keys
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                 Key: OPENJPA-2103
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2103
             Project: OpenJPA
          Issue Type: Bug
          Components: jpa
    Affects Versions: 2.1.1
            Reporter: Harald Wellmann
         Attachments: openjpa-foreign-key.zip

In a schema with a cascading association with a foreign key, I'm having strange effects where the SQL statements generated on em.flush() somtimes appear in the wrong order.

I've reduced this to a funny case where a passing test starts failing, as soon as it is preceded by em.flush():

    @Test
    public void testFlushFailure() {
        em.flush();
        testFlushOk();
    }


The same tests both pass on Hibernate. I'm attaching a self-contained Maven Project to demonstrate the issue.

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