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From "Erik Bengtson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-246) JPOX eliminates duplicates in the query result although DISTINCT is not specified.
Date Tue, 31 Jan 2006 18:13:34 GMT
    [ http://issues.apache.org/jira/browse/JDO-246?page=comments#action_12364660 ] 

Erik Bengtson commented on JDO-246:
-----------------------------------

I dont understand. You are querying Departments and iterating each element of it. The elements
that will be in the result are the ones where the filter evaluates to true. Here the filter
evaluates to true the two elements. Now the only thing remaining is for each element we navigate
to return the result, so two instances only

> JPOX eliminates duplicates in the query result although DISTINCT is not specified.
> ----------------------------------------------------------------------------------
>
>          Key: JDO-246
>          URL: http://issues.apache.org/jira/browse/JDO-246
>      Project: JDO
>         Type: Bug
>   Components: tck20
>     Reporter: Michael Watzek
>     Assignee: Erik Bengtson

>
> Test case NPEInResultExpr fails because the result of the query below is expected to
contain duplicates. JPOX eliminates the duplicates.
> 14:22:55,046 (main) DEBUG [org.apache.jdo.tck] - Executing API query: SELECT employee.manager.lastname
FROM org.apache.jdo.tck.pc.company.Department WHERE employees.contains(employee) VARIABLES
Employee employee 
> 14:22:55,078 (main) DEBUG [org.apache.jdo.tck] - Query result: [emp2Last, null]
> 14:22:55,078 (main) DEBUG [org.apache.jdo.tck] - Wrong query result: 
> expected: [emp2Last, null, emp2Last, emp2Last, emp2Last]
> got:      [emp2Last, null]
> 14:22:55,078 (main) INFO  [org.apache.jdo.tck] - Exception during setUp or runtest: 
> junit.framework.AssertionFailedError: Assertion A14.6.9-4 (NPEInResultExpr) failed: 
> Wrong query result: 
> expected: [emp2Last, null, emp2Last, emp2Last, emp2Last]
> got:      [emp2Last, null]
> 	at junit.framework.Assert.fail(Assert.java:47)
> 	at org.apache.jdo.tck.JDO_Test.fail(JDO_Test.java:546)
> 	at org.apache.jdo.tck.query.QueryTest.queryFailed(QueryTest.java:500)
> 	at org.apache.jdo.tck.query.QueryTest.checkQueryResultWithoutOrder(QueryTest.java:485)
> 	at org.apache.jdo.tck.query.QueryTest.execute(QueryTest.java:1189)
> 	at org.apache.jdo.tck.query.QueryTest.execute(QueryTest.java:1029)
> 	at org.apache.jdo.tck.query.QueryTest.executeAPIQuery(QueryTest.java:966)
> 	at org.apache.jdo.tck.query.QueryTest.executeAPIQuery(QueryTest.java:946)
> 	at org.apache.jdo.tck.query.result.NPEInResultExpr.testPositive(NPEInResultExpr.java:106)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:324)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at org.apache.jdo.tck.JDO_Test.runBare(JDO_Test.java:204)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:116)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:109)
> 	at org.apache.jdo.tck.util.BatchTestRunner.start(BatchTestRunner.java:120)
> 	at org.apache.jdo.tck.util.BatchTestRunner.main(BatchTestRunner.java:95)

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