[xquery-talk] RE: aggregate , grouping

Michael Rys mrys at microsoft.com
Thu Dec 22 11:23:16 PST 2005

Unfortunately, SQL Server currently does not offer the full axis
feature. This however has more to do with the back- and forth of the
working group and our initial sub setting decisions than with
implementation efficiency...

So Martin, you are not really doing your competitive research :-)...

Season's greetings

> -----Original Message-----
> From: talk-bounces at xquery.com [mailto:talk-bounces at xquery.com] On
> Of Martin Probst
> Sent: Thursday, December 22, 2005 4:06 AM
> To: talk at xquery.com
> Subject: Re: [xquery-talk] RE: aggregate , grouping
> > Are there really going to be any Xquery implementations that don't
> > the full axis feature? (If not, why is this feature optional?)
> I don't know of an implementation that doesn't provide a full axis
> feature. However, with some internal data layouts (some numbering
> schemes for splitting trees into tables actually) it can be really
> difficult to provide those axis in a efficient fashion, so that's
> probably why.
> Martin
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