[xquery-talk] [XQuery] limitations

alavinio at gmail.com alavinio at gmail.com
Wed Apr 29 12:52:59 PDT 2009


XQuery uses XPath which uses regeps in the same way C# or Java or Python use
regexps.
Regexps don't define XPath; they are just one tiny feature of XPaths, which
are one part of XQuery.

XQuery is a Turing-complete language.

On Wed, Apr 29, 2009 at 11:42 AM, Michalmas <michalmas at gmail.com> wrote:

> I was wondering what are the limitations of XQuery? For instance,
> there are some limitations of regular exp (you can't parse what is not
> defined by a regular language). Since XQuery uses XPath which uses reg
> exp - does it bring any limitations to XQuery search engine?
>
> I tried to google some examples, but mostly someone was able to
> prepare interesting query.
>
> I mean here typical XQuery and reg exp (there are some extensions to
> reg exp that diminish such limitations somehow, but here i am
> interested in pure definitions)
>

-- 
Tony Lavinio       DataDirect Technologies       alavinio at datadirect.com
High-performance XML Processor: DataDirect XQuery http://www.xquery.com/
EDI/Flat File<->XML Converters (Java|.Net) http://www.xmlconverters.com/
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