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From "Michael Watzek (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JDO-216) Result handling in class QueryTest must be capable to consider return types of java.lang.Object
Date Thu, 17 Nov 2005 16:42:41 GMT
     [ http://issues.apache.org/jira/browse/JDO-216?page=all ]

Michael Watzek updated JDO-216:

    Attachment: JDO-216.patch

The attached patch implements the comments above.

> Result handling in class QueryTest must be capable to consider return types of java.lang.Object
> -----------------------------------------------------------------------------------------------
>          Key: JDO-216
>          URL: http://issues.apache.org/jira/browse/JDO-216
>      Project: JDO
>         Type: Bug
>   Components: tck20
>     Reporter: Michael Watzek
>     Assignee: Michael Watzek
>  Attachments: JDO-216.patch
> The current result handling in class QueryTest cannot consider return types of type java.lang.Object.
Unique queries and queries using  aggregates in the select expression (single exression, no
group by) return objects rather than collections. The result handling must reflect this fact.
As a consequence, the expected result in query test cases must be capable to consider a single
object also. 
> Currently, the expected result is declared as an object array in JDO2 query test classes.
Method QueryTest.execute takes an object array as the expected result and an additional flag
(unique) indicating if the query returns a single result. The unqiue parameter is calculated
by methods in QueryTest executing query element holders. This is inadequate because the query
element holder does not encapsulate the information of aggregates in single result expressions.
> We propose to adapt the signature and the implementation of method QueryTest.execute:
The expected result should be of type java.lang.Object and the unique parameter should be
removed. Thus, the unique information can be calculated inside the method. 
> JDO2 query test classes in package query.api call method QueryTest.execute directly.
These test cases must be adapted wrt the expected result: The expected result must be of the
exact type which the query returns at runtime.
> Other test cases which do not call method QueryTest.execute directly may be adapted wrt
the expected result as part of a separate issue.

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