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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-1237) Change default value for respectDocumentOrder
Date Tue, 27 Nov 2007 13:49:42 GMT

    [ https://issues.apache.org/jira/browse/JCR-1237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12545838
] 

Marcel Reutegger commented on JCR-1237:
---------------------------------------

Hmm, I completely forgot about the repository descriptor. This is currently hard coded in
a properties file. With Jackrabbit it is actually possible to have document order on results
in one workspace but not in another one. Which raises an interesting question. What does QUERY_XPATH_DOC_ORDER
return in that case?

Jackrabbit should probably enable or disable document order on all workspaces and not selectively.

Jukka wrote:
> it does mean that a client would need to use some yet to be implemented custom extension

my intention was to provide a default configuration where you won't have document order, but
if you wish the repository to do so you could enable it in the configuration.

> Change default value for respectDocumentOrder
> ---------------------------------------------
>
>                 Key: JCR-1237
>                 URL: https://issues.apache.org/jira/browse/JCR-1237
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Marcel Reutegger
>            Priority: Minor
>
> The current default value for the search index configuration parameter respectDocumentOrder
is true. Almost all applications are not interested in document order, while this default
adds significant overhead to query execution because document order information is present
in the index but has to be calculated over the complete result set.
> I propose to change the default value to false and document this change in the 1.4 release
notes. If an application relies on document order one can still explicitly set the parameter
in the configuration to true.

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