OpenJPA
  1. OpenJPA
  2. OPENJPA-1794

Result of aggregate function MAX is 0 on empty table (instead of NULL).

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.0
    • Fix Version/s: 2.0.3, 2.1.2, 2.2.1.1, 2.2.3, 2.3.0
    • Component/s: query
    • Labels:
      None

      Description

      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

        Activity

          People

          • Assignee:
            Jeremy Bauer
            Reporter:
            Vera Filippova
          • Votes:
            1 Vote for this issue
            Watchers:
            3 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development