[jira] Created: (OPENJPA-1794) Result of aggregate function MAX is 0 on empty table (instead of NULL).

[Vera Filippova (JIRA)]

Result of aggregate function MAX is 0 on empty table (instead of NULL).
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                 Key: OPENJPA-1794
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1794
             Project: OpenJPA
          Issue Type: Bug
          Components: query
    Affects Versions: 2.0.0
            Reporter: Vera Filippova


Below is a snippet of a test case... the max should be null, but is zero.

            Object count = em.createQuery("Select count(p.pk) from Entity1 p 
where 1=1").getSingleResult();
            Object max = em.createQuery("Select max(p.pk) from Entity1 p where 
1=1").getSingleResult();
            System.out.println("count:"+count+ " max:"+max);

            > count:0 max:0


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