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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6375) Suggest use of indexes in devguide's deadlock avoidance topic
Date Thu, 10 Oct 2013 15:07:43 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13791572#comment-13791572
] 

ASF subversion and git services commented on DERBY-6375:
--------------------------------------------------------

Commit 1531012 from [~chaase3] in branch 'docs/branches/10.10'
[ https://svn.apache.org/r1531012 ]

DERBY-6375  Suggest use of indexes in devguide's deadlock avoidance topic

Merged patch DERBY-6375-2.diff to 10.10 doc branch from trunk revision 1531008.

> Suggest use of indexes in devguide's deadlock avoidance topic
> -------------------------------------------------------------
>
>                 Key: DERBY-6375
>                 URL: https://issues.apache.org/jira/browse/DERBY-6375
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 10.10.1.1
>            Reporter: Knut Anders Hatlen
>            Assignee: Kim Haase
>             Fix For: 10.10.1.3, 10.11.0.0
>
>         Attachments: cdevconcepts53677.html, cdevconcepts53677.html, DERBY-6375-2.diff,
DERBY-6375.diff
>
>
> The developer's guide has a topic called Avoiding deadlocks. That topic should also mention
that reasonable indexes may help prevent deadlocks since they make table scans less likely
and reduce the number of locks obtained.



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