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Re: Reference to functions (Was: RE: XPath 2.0: Collection-Valued Expressions (Was: Re: XQuery 1.0 and XPath 2.0 Functions and Operators Version 1.0))
- To: xsl-list at lists dot mulberrytech dot com
- Subject: Re: [xsl] Reference to functions (Was: RE: XPath 2.0: Collection-Valued Expressions (Was: Re: XQuery 1.0 and XPath 2.0 Functions and Operators Version 1.0))
- From: Jim Melton <jim dot melton at acm dot org>
- Date: Sat, 08 Sep 2001 10:15:32 -0600
- Reply-To: xsl-list at lists dot mulberrytech dot com
Gentlepeople...
At 09:57 PM 9/7/2001 -0700 Friday, Dimitre Novatchev wrote:
> > As you'll see from the published data model, there is no current intention
> > to support functions or expressions as a data type in the language.
>
>So, one significant and useful feature has been ignored...
While I understand why you might be disappointed, you must understand that
there are tradeoffs and the need for balance everywhere. "Ignored" is most
certainly not the right word, since hours of discussion have been undergone.
> > So there's likely to be syntax akin to XQuery's
>
> > sum(for $i in //item return $i/@price * $i/@qty)
>
>I find this a definite step backawrds from the concise and compact syntax
>of XPath
>1.0.
We are *not* talking about the syntax of XPath 2.0 here. We're talking
about the specification of "Functions and Operators for XQuery 1.0 and
XPath 2.0"; that is, there are (at least) languages being addressed, not
just one. While I want your needs to be met, yours are not the only needs
under consideration. There are people/companies with demonstrated,
articulated needs for a query language more powerful than XPath and we are
trying to address those requirements, too. Trust me, I will not personally
force you to use that new query language ;^) You are more than welcome to
continue using XPath.
With tongue firmly in cheek,
Jim
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Jim Melton --- Editor of ISO/IEC 9075-* (SQL) Phone: +1.801.942.0144
Oracle Corporation Oracle Email: mailto:jim.melton@oracle.com
1930 Viscounti Drive Standards email: mailto:jim.melton@acm.org
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USA Fax : +1.801.942.3345
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