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From Cédric Damioli (JIRA) <j...@apache.org>
Subject [jira] [Commented] (JCR-3443) Normalize String properties when ordering query results
Date Thu, 11 Oct 2012 13:13:03 GMT

    [ https://issues.apache.org/jira/browse/JCR-3443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474126#comment-13474126
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Cédric Damioli commented on JCR-3443:
-------------------------------------

a) Do you suggest someting like "rep:normalize" ?

b) I did not actually tried to implement a collation algorithm, which certainly depends on
locales, but instead a normalization algorithm (http://www.unicode.org/reports/tr15/) which
do not depend on locales.
I could have implement it using java.text.Normalizer.normalize(), followed by the removal
of non ASCII-characters, but this is roughly equivalent to the more easier Unicode-to-ASCII
method I found in the Lucene code.

                
> Normalize String properties when ordering query results
> -------------------------------------------------------
>
>                 Key: JCR-3443
>                 URL: https://issues.apache.org/jira/browse/JCR-3443
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core, query
>            Reporter: Cédric Damioli
>         Attachments: normalize.patch
>
>
> Properties containing non-ASCII characters are not well collated in query results
> There's only two allowed functions so far in XPath (fn:lower-case and fn:upper-case).
There exists the equivalent LOWER and UPPER in SQL
> I propose to add a fn:normalize (resp NORMALIZE) function giving expected results

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