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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4331) Join returns results in wrong order
Date Sun, 02 Aug 2009 15:17:14 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kathey Marsden updated DERBY-4331:
----------------------------------

    Affects Version/s: 10.6.0.0
                       10.4.2.1
                       10.3.3.1
                       10.2.2.1
                       10.1.3.3

DERBY-3926 was fixed with 10.5.2.0 but did not show up on the release notes because it is
still open.  The change was backported to the 10.1 branch, so updating the affects version
for this issue.


> 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: 10.1.3.3, 10.2.2.1, 10.3.3.1, 10.4.2.1, 10.5.2.0, 10.6.0.0
>            Reporter: Knut Anders Hatlen
>         Attachments: repro.sql
>
>
> 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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