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Missing messages (was W3C's five new XQuery/Xpath2 working d

• To: "Champion, Mike" <Mike.Champion@S...>,<xml-dev@l...>
• Subject: Missing messages (was W3C's five new XQuery/Xpath2 working drafts - Still missing Updates)
• From: "Dare Obasanjo" <kpako@y...>
• Date: Wed, 2 Jan 2002 12:01:02 -0800
• References: <9A4FC925410C024792B85198DF1E97E4021BDA23@u...>

Weird, this looks like the third time in this thread that I haven't received a
message that was sent to "xml-dev & Mike Champion".  So far I've [at the very
least] missed one each from Paul T, Michael Kay and Jonathan Robie.

PS: I know I should probably mail this to the list admins but I've misplaced
the original mail I received when signing up. :(

--
THINGS TO DO IF I BECOME AN EVIL OVERLORD #41
Once my power is secure, I will destroy all those pesky time-travel devices.

----- Original Message -----
From: "Champion, Mike" <Mike.Champion@S...>
To: <xml-dev@l...>
Sent: Wednesday, January 02, 2002 6:09 AM
Subject: RE:  W3C's five new XQuery/Xpath2 working drafts - Still
missing Updates


>
>
> > -----Original Message-----
> > From: Michael Kay [mailto:michael.h.kay@n...]
> > Sent: Wednesday, January 02, 2002 6:11 AM
> > To: 'Champion, Mike'; xml-dev@l...
> > Subject: RE:  W3C's five new XQuery/Xpath2 working drafts -
> > Still missing Updates
> >
> > But I also worry about the cost we are asking users to pay
> > (learning costs, transition costs, cost of complexity) to achieve these
> > benefits. It's a fine judgement to get the balance right.
>
> Right.  FWIW, I can make a more compelling argument for adding simple types
> (so that people can query on floats or dates without insisting that the
> string representations match), than I can for adding full schema support
> (e.g., so that a query processor can infer that valid instances of a schema
> could not possibly match a query).  That seems to incorporate the lessons of
> SQL (as near as I can tell from this thread and from some Googling) --
> people use the simple types in simple ways, but getting into type theory and
> user-defined types quickly leads to Interoperability Hell.
>
> The larger issues that Mike Kay raises are critical: All this committee work
> is for nothing if the result is too complex or expensive to actually use.  I
> am not all that much dumber than the average software developer, I have
> followed the XML world full-time for 5 years now, and this
> schema/PSVI/strongly-typed XQuery stuff makes my head spin.  I can't imagine
> what ordinary developers who don't focus on XML will think of it.
>
> Actually, come to think of it, I can ... it will be C++ and the Windows API
> all over again; few developers go anywhere near it without GUI tools and
> wizards to hide the complexity behind a proprietary front end.  Sigh, I
> thought that was what we were trying to put behind us....
>
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    • From: "Champion, Mike" <Mike.Champion@S...>

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