Nice answers especially for (2) which is what I'd love to be the behavior of XQuery that actually makes it into the REC.
Good talking to you.
--
PITHY WORDS OF WISDOM
He who laughs last didn't catch on very fast, did he?
This posting is provided "AS IS" with no warranties, and confers no rights.
> -----Original Message-----
> From: Chris Parkerson [mailto:]
> Sent: Monday, July 22, 2002 8:14 PM
> To: Dare Obasanjo;
> Subject: RE: [xml-dev] [ANN] Ipedo XML Database 3.1 Now Available
>
>
> Dare:
>
> More answers:
>
> 1) Just like anyone else that would take this risk to make
> customers happy, we'll cross that bridge when we get to it
> and provide any necessary migration path for our customers to
> the final specification. We had to do the same for XML Schema
> when we were implementing early drafts. Supporting the
> standard is important, but not as important as serving our
> customers' needs.
>
> 2) (From our XQuery engineers): The result of your query is
> the boolean value "false" since the constructed element foo
> gets a type annotation of "xs:anyType". If the constructed
> element had been "validated" (i.e., a validate expression was
> used to validate the constructed element with respect to the
> schema definitions in scope), it would have had a type
> annotation corresponding to fooType, and the "instance of"
> operator would have returned "true".
>
> Hope this helps,
> Chris
>
> Chris Parkerson
> Product Manager
> http://www.ipedo.com
> Direct (650)306-4027
> Fax (650)306-4001
>
>
>
> -----Original Message-----
> From: Dare Obasanjo [mailto:]
> Sent: Monday, July 22, 2002 5:50 PM
> To: Chris Parkerson;
> Subject: RE: [xml-dev] [ANN] Ipedo XML Database 3.1 Now Available
>
>
> Thanks for your response.
>
> So now I have more questions:
>
> 1.) So what happens if the XQuery WG decides to add update
> syntax & semantics which differ significantly from Jonathan
> Robie's draft as happened with Microsoft with both XSL/XSLT
> and XDR/XSD?
>
> 2.) So since you have schema importation abilities and schema
> aware processing can you tell me the results of this query
> according to your product
>
> Given the following schema
>
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
> elementFormDefault="qualified"
> targetNamespace="http://www.example.com"
> xmlns:myns="http://www.example.com">
>
> <xs:element name="foo" type="myns:fooType" />
>
> <xs:complexType name="fooType" >
> <xs:element name="bar" minOccurs="3" maxOccurs="6" />
> </xs:complexType>
>
> </xs:schema>
>
> and the query
>
> schema namespace myns="http://www.example.com" at
> "http:/www.example.com/foo.xsd"
> $foo = <myns:foo>{
> document("http://www.example.org/bar.xml")//myns:bar }</myns:foo>
> $foo instance of element of type myns:fooType
>
> what is the result according to your product or do the above
> 3 lines utilize an unsupported feature?
>
> Thanks again for your answers.
>
> --
> PITHY WORDS OF WISDOM
> He who laughs last didn't catch on very fast, did he?
>
> This posting is provided "AS IS" with no warranties, and
> confers no rights.
>
>
>
> > -----Original Message-----
> > From: Chris Parkerson [mailto:]
> > Sent: Monday, July 22, 2002 5:34 PM
> > To: Dare Obasanjo;
> > Subject: RE: [xml-dev] [ANN] Ipedo XML Database 3.1 Now Available
> >
> >
> > Dare:
> >
> > Answers to your questions:
> >
> > - We implemented the SoftwareAG XQuery update proposal presented by
> > Jonathan Robie with a few extensions. Our goal is to bring
> our XQuery
> > update implementation in-line quickly with whatever the
> final spec is.
> >
> > - We support the data types defined in XML Schema - Part 2
> > (DataTypes)
> > <http://www.w3.org/TR/2001/REC-xmlschema-2-20010502/>. So,
> > we import our type definitions from the schema: either the
> > schema of the document being queried (which we know, if it is
> > stored in a typed collection) or a schema defined with the
> > XQuery SCHEMA function (for documents stored in untyped
> > collections for which we do not know the schema).
> >
> > We have two members on the XML Query Working Group monitoring
> > everything to make sure our implementations are not too far
> off. But,
> > we can't and our customers cannot wait for the W3C to hash
> everything
> > out, so we move on =>
> >
> > Hope this helps,
> > Chris
> >
> > Chris Parkerson
> > Product Manager
> > http://www.ipedo.com
> > Direct (650)306-4027
> > Fax (650)306-4001
> >
> >
> >
> > -----Original Message-----
> > From: Dare Obasanjo [mailto:]
> > Sent: Monday, July 22, 2002 4:16 PM
> > To: Chris Parkerson;
> > Subject: RE: [xml-dev] [ANN] Ipedo XML Database 3.1 Now Available
> >
> >
> > > -----Original Message-----
> > > From: Chris Parkerson [mailto:]
> > > Sent: Monday, July 22, 2002 4:03 PM
> > > To:
> > > Subject: [xml-dev] [ANN] Ipedo XML Database 3.1 Now Available
> > >
> > >
> > > Ipedo has released a new vision of it's award-winning XML product
> > > suite. This new version includes an updated version of the
> > Ipedo XML
> > > Database, PC Magazine's Editor's Choice
> > > <http://www.pcmag.com/article2/0,4149,63211,00.asp> for Best XML
> > > Database, and Ipedo Web Express, a toolkit that accelerates
> > > development of XML-based J2EE web applications. Other new
> > features in
> > > the 3.1 release include:
> > > - Update support via XQuery - extensions to Ipedo's
> XQuery interface
>
> > > to support granular XML updates, in-line with the current update
> > > syntax proposals before the W3C
> >
> > Two questions:
> >
> > 1.) What update syntax proposals before the W3C?
> >
> > 2.) According to your website's[0] "Features At A Glance"
> section your
> > product has
> >
> > * Support for the latest XML standards including XML
> Schema, XQuery
> > and XSLT
> >
> > Given that the current XQuery working draft[1] states
> >
> > "XQuery is a strongly typed language. Rules for assigning types to
> > XQuery expressions are described in [XQuery 1.0 Formal
> Semantics]. A
> > query may import type definitions from a Schema, according to rules
> > that will be specified in a future edition of [XQuery 1.0 Formal
> > Semantics]."
> >
> >
> > I am curious as to how you guys support XQuery since the
> type system,
> > schema importation and the entire formal semantics is pretty much
> > still in a state of flux with significant questions still to be
> > answered. Does Ipedo implement the XQuery type system? If
> so which W3C
> > document does it conform to and if not isn't that the whole
> point of
> > XQuery?
> >
> > I guess I could just download the trial version (if there
> are no legal
> > issues) but its always good to talk to XQuery implementers since I
> > don't think I've read or heard any opinions/comments about it from
> > anyone that doesn't work for MS.
> >
> >
> > [0] http://www.ipedo.com/html/products_xml_dat.html
> > [1] http://www.w3.org/TR/2002/WD-xquery-20020430
> >
> > --
> > PITHY WORDS OF WISDOM
> > Going the speed of light is bad for your age.
> >
> > This posting is provided "AS IS" with no warranties, and confers no
> > rights.
> >
> >
> >
> >
>
