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Date: Fri, 26 Aug 2005 10:41:08 +0200 (CEST)
From: "Marcel Reutegger (JIRA)" <jira@apache.org>
To: jackrabbit-dev@incubator.apache.org
Subject: [jira] Resolved: (JCR-198) jcr:contains doesn't return incomplete
 match
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     [ http://issues.apache.org/jira/browse/JCR-198?page=all ]
     
Marcel Reutegger resolved JCR-198:
----------------------------------

    Resolution: Invalid

jcr:contains in XPath and CONTAINS in SQL respectively are fulltext extensions to the two languages. The specification is not very strict on what exactly is supported. It merely defines the fulltext syntax that can be used in the contains function. Whether a term matches also a substring is not specified.

It is certainly possible to change the jackrabbit implementation that jcr:contains will also match substrings. However, I'm not sure if that is a good idea. E.g. if you search for 'bi' on google you don't get whatever starts with 'bi'.

What Jackrabbit already supports are wildcards in the jcr:contains function.

To make your query work you can use:
//*[jcr:contains(., 'bi*')]

which will match everything that starts with 'bi' or 'bi' itself.

or use:
//*[jcr:contains(., 'bi?')]

which will match any 3 letter word that starts with 'bi'

Keep in mind that this is not standardized and will probably not work on other implementations.

> jcr:contains doesn't return incomplete match
> --------------------------------------------
>
>          Key: JCR-198
>          URL: http://issues.apache.org/jira/browse/JCR-198
>      Project: Jackrabbit
>         Type: Bug
>   Components: query
>     Reporter: Bertrand Lega

>
> This behaviour is very strange. 
> I have the following repository : 
>    ... 
>    + [node] mynode
>         [prop] title = "my big title"
> the following query doesn't return any node : //*[jcr:contains(@title, "bi")] wherea
> revision : 234496

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