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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 15:15:43 GMT

    [ https://issues.apache.org/jira/browse/JCR-1237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12545869
] 

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

> The information is still in the query index, isn't it?

I'm not sure I understand your question. But the document order is never available in the
index. It is always calculated.

> What should I do if I have a client that mostly doesn't about document order for most
queries, but occasionally would like
> to use the ordering within the same workspace?

You would set respectDocumentOrder to true and omit an order by in your query to get document
order, otherwise you should add an order by @jcr:score. This effectively disables document
order.

> 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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