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RE: [ANN] Ipedo XML Database 3.1 Now Available

  • To: "Chris Parkerson" <cparkerson@i...>,<xml-dev@l...>
  • Subject: RE: [ANN] Ipedo XML Database 3.1 Now Available
  • From: "Dare Obasanjo" <dareo@m...>
  • Date: Mon, 22 Jul 2002 20:25:15 -0700
  • Thread-index: AcIx0/pYifDDuCqZQ8SMwlHdSAir8gAACeiAAAKbH0AAAM4zgAAFKVxQAAB9CWA=
  • Thread-topic: [ANN] Ipedo XML Database 3.1 Now Available

chris parkerson
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:cparkerson@i...] 
> Sent: Monday, July 22, 2002 8:14 PM
> To: Dare Obasanjo; xml-dev@l...
> Subject: RE:  [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:dareo@m...] 
> Sent: Monday, July 22, 2002 5:50 PM
> To: Chris Parkerson; xml-dev@l...
> Subject: RE:  [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:cparkerson@i...]
> > Sent: Monday, July 22, 2002 5:34 PM
> > To: Dare Obasanjo; xml-dev@l...
> > Subject: RE:  [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:dareo@m...]
> > Sent: Monday, July 22, 2002 4:16 PM
> > To: Chris Parkerson; xml-dev@l...
> > Subject: RE:  [ANN] Ipedo XML Database 3.1 Now Available
> > 
> > 
> > > -----Original Message-----
> > > From: Chris Parkerson [mailto:cparkerson@i...]
> > > Sent: Monday, July 22, 2002 4:03 PM
> > > To: xml-dev@l...
> > > Subject:  [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.
> > 
> > 
> > 
> > 
> 

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