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From "Kim Haase (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6305) Tuning Derby information on optimizer overrides needs improvement
Date Fri, 26 Jul 2013 15:09:50 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13720870#comment-13720870
] 

Kim Haase commented on DERBY-6305:
----------------------------------

Committed patch DERBY-6305.diff to documentation trunk at revision 1507340.
Merged to 10.10 doc branch at revision 1507341. 

I'm backporting this fix to 10.10 and will do so for any existing overrides we decide to document.


Any new overrides should have separate issues for both the feature and the documentation.
                
> Tuning Derby information on optimizer overrides needs improvement
> -----------------------------------------------------------------
>
>                 Key: DERBY-6305
>                 URL: https://issues.apache.org/jira/browse/DERBY-6305
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 10.10.1.1
>            Reporter: Kim Haase
>            Assignee: Kim Haase
>         Attachments: ctundepthoptover.html, DERBY-6305.diff
>
>
> The topic "Optimizer overrides" in the Tuning Derby manual talks about using the "--
DERBY-PROPERTIES" clause to specify overrides but doesn't include a link to the topic later
in the manual, "Overriding the default optimizer behavior", that explains how to use the clause.
This undoubtedly results in user confusion.
> The first topic is http://db.apache.org/derby/docs/10.10/tuning/ctundepthoptover.html;
the second is http://db.apache.org/derby/docs/10.10/tuning/ctunoptimzoverride.html.
> I'll add the link, and I welcome additional suggestions on how to improve these topics.

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