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Date: Wed, 5 Aug 2009 14:17:14 -0700 (PDT)
From: "Mamta A. Satoor (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Updated: (DERBY-4331) Join returns results in wrong order
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     [ https://issues.apache.org/jira/browse/DERBY-4331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mamta A. Satoor updated DERBY-4331:
-----------------------------------

    Attachment: DERBY4331_additionalTests_diff.txt

i am attaching a patch for additional junits tests which were collected from this jira entry. Mike, can you please run the test on your codeline to see if works fine?

> Join returns results in wrong order
> -----------------------------------
>
>                 Key: DERBY-4331
>                 URL: https://issues.apache.org/jira/browse/DERBY-4331
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.2.0, 10.6.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Mike Matrigali
>         Attachments: createDBsimpler.txt, createDBsimplerVer2.txt, DERBY4331_additionalTests_diff.txt, derby4331_do_not_commit.diff, notorderby4331.zip, orderby4331.zip, repro.sql, repro2.sql, repro2_qryplan.txt, wisconsin.diff
>
>
> In Derby 10.5.2.0, the query below started returning results in wrong order (note the ORDER BY clause). Derby 10.5.1.1 gives the expected ordering.
> ij> SELECT CS.ID
> FROM
>     CHANGESETS CS, FILECHANGES FC, REPOSITORIES R, FILES F, AUTHORS A
> WHERE
>     R.PATH = '/var/tmp/source5923202038296723704opengrok/mercurial' AND F.REPOSITORY = R.ID AND A.REPOSITORY = R.ID AND
>     CS.REPOSITORY = R.ID AND CS.ID = FC.CHANGESET AND F.ID = FC.FILE AND
>     A.ID = CS.AUTHOR AND
>     EXISTS (
>         SELECT 1
>         FROM FILES F2
>         WHERE
>             F2.ID = FC.FILE AND F2.REPOSITORY = R.ID AND
>             F2.PATH LIKE '/%' ESCAPE '#')
> ORDER BY CS.ID DESC;
> ID         
> -----------
> 1          
> 2          
> 3          
> 2          
> 2          
> 3          
> 6 rows selected

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