[jira] [Assigned] (JDO-763) RI does not implement default of Query.setResult

["Andy Jefferson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JDO-763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Jefferson reassigned JDO-763:
----------------------------------

    Assignee:     (was: Andy Jefferson)

> RI does not implement default of Query.setResult
> ------------------------------------------------
>
>                 Key: JDO-763
>                 URL: https://issues.apache.org/jira/browse/JDO-763
>             Project: JDO
>          Issue Type: Bug
>          Components: tck
>    Affects Versions: JDO 3.2
>            Reporter: Michael Bouschen
>             Fix For: JDO 3.2
>
>         Attachments: SetResultDefault-patch.txt
>
>
> The JDO spec defines in chapter 14.6.9 "Specifying the Result of a Query (Projections, Aggregates)":
> Default Result
> If not specified, the result defaults to “distinct this as C” where C is the unqualified name of the candidate class. For example, the default result specification for a query where the candidate class is com.acme.hr.Employee is “distinct this as Employee”.
> The following query specifies a result class and assumes that the query result defaults to "distinct this as Person". 
>   Query query = pm.newQuery(Person.class, "lastname == 'emp1Last'");
>   //query.setResult("distinct this as Person");
>   query.setResultClass(PersonWrapper.class);
>   Object results = query.execute();
> The above code results in org.datanucleus.exceptions.NucleusUserException: Query needs to return objects of type "org.apache.jdo.tck.query.api.SetResultDefault$PersonWrapper" but it was impossible to set the field "birthdate" type "java.util.Date". The field should have either a public set/put method, or be public.
> The query executes OK when explicitly specifying a result (see line in comments).



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