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https://issues.apache.org/jira/browse/DERBY-4331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Matrigali updated DERBY-4331:
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Attachment: derby4331_do_not_commit.diff
not fully tested path file. This patch just gets rid of the FromBaseTable.java
changes
to DERBY-3926, it leaves every thing else.
So far my testing shows:
postives: fixes all run test cases of DERBY-3926 and DERBY-4331
negatives: Causes some diffs in wisconsin, probably the known cases where we
don't do sort avoidance anymore - but still get correct
sorting.
unknown: no full test run done yet.
> 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
> Attachments: createDBsimpler.txt, createDBsimplerVer2.txt,
> derby4331_do_not_commit.diff, notorderby4331.zip, orderby4331.zip, repro.sql,
> repro2.sql, repro2_qryplan.txt
>
>
> 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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