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From "Ilan Kirsh (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-529) ChangeQuery - DISTINCT is expected even though it is not specified
Date Tue, 18 Sep 2007 17:40:43 GMT

    [ https://issues.apache.org/jira/browse/JDO-529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12528462
] 

Ilan Kirsh commented on JDO-529:
--------------------------------

I still cannot pass this test, now because of the DISTINCT / ORDER BY combination.

DISTINCT is eventually a specific case of GROUP BY, and it should restrict the valid ORDER
BY expressions, similarly to the GROUP BY description.

For instance, if two persons have the same first name / last name, which of their IDs should
we use to sort the results?

> ChangeQuery - DISTINCT is expected even though it is not specified
> ------------------------------------------------------------------
>
>                 Key: JDO-529
>                 URL: https://issues.apache.org/jira/browse/JDO-529
>             Project: JDO
>          Issue Type: Test
>          Components: tck2
>            Reporter: Ilan Kirsh
>         Attachments: jdo-529.patch
>
>
> Test org.apache.jdo.tck.query.api.ChangeQuery expects 3 result objects:
> List expectedResult = Arrays.asList(new Object[] {
>             new FullName("emp1First", "emp1Last"), 
>             new FullName("emp2First", "emp2Last"),
>             new FullName("emp5First", "emp5Last")});
> But actually there should be 4 result objects:
> List expectedResult = Arrays.asList(new Object[] {
>             new FullName("emp1First", "emp1Last"), 
>             new FullName("emp2First", "emp2Last"),
>             new FullName("emp2First", "emp2Last"),
>             new FullName("emp5First", "emp5Last")});
> because the result is not specified as DISTINCT.

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