OASIS Mailing List ArchivesView the OASIS mailing list archive below
or browse/search using MarkMail.


Help: OASIS Mailing Lists Help | MarkMail Help



   RE: [xml-dev] XQuery types was Re: [xml-dev] Yet another plea for XUpd

[ Lists Home | Date Index | Thread Index ]

At 09:02 PM 5/6/2002 -0700, Dare Obasanjo wrote:
>Please prove this assertion untrue. XML type systems (especially with
>W3C XML Schema) are based on constraints. Constraints are runtime
>issues. Queries like
>   INSERT /person[@age] - 10 INTO /person/@age
>where the age attribute is a simpleType restriction of
>xs:positiveInteger with minInclusive = 18 and maxInclusive = 44 cannot
>be verified at compile time no matter how fancy your heuristics are.

But the fact that there are errors you can't catch until runtime does not 
imply that you shouldn't catch other errors before running a program.



News | XML in Industry | Calendar | XML Registry
Marketplace | Resources | MyXML.org | Sponsors | Privacy Statement

Copyright 2001 XML.org. This site is hosted by OASIS