Re: XQuery Updates in XSLT
No, not at all. XQuery Update is 100% functional in the strict computer science sense of the work. It returns two types of values, an XDM and a list of updates that need to be applied (called a pending update list, PUL). All actual updates happen after the finish of the query, meaning that the query still behaves functionally. John Scott Trenda wrote: > I think John is confusing the meaning of "functional" here. Dimitre > meant "functional" as in "based on functions/templates, like Haskell or > Scheme (as opposed to imperative)", and perhaps John interpreted > "functional" to mean "it works, it's not broken". > > :) > > ~ Scott > > -----Original Message----- > From: Robert Koberg [mailto:rob@xxxxxxxxxx] > Sent: Wednesday, October 29, 2008 2:06 PM > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: XQuery Updates in XSLT > > > On Oct 29, 2008, at 2:58 PM, John Snelson wrote: > >> Dimitre Novatchev wrote: >>> On Tue, Oct 28, 2008 at 1:39 AM, Jesper Tverskov >>> <jesper@xxxxxxxxxxx> wrote: >>>> I have tested XQuery Updates in Saxon SA 9.1 and it works like a >>>> dream. I was wondering if something similar is going to be >>>> available >>>> in XSLT? How can XSLT do without such a killer feature? >>> Such a feature will be the killer of a nice, functional language, I >>> agree... :) >> XQuery Update is still a 100% functional language - it's pretty good >> at >> succinctly expressing transforms that would otherwise need an identity >> transform and some number of exception templates. > > This comment makes no sense. It is like saying a pogo stick is pretty > good at getting you from point A to point B that would otherwise > require a car. > > -Rob > >> >> John > -- John Snelson, Oracle Corporation http://snelson.org.uk/john Berkeley DB XML: http://oracle.com/database/berkeley-db/xml XQilla: http://xqilla.sourceforge.net
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