• From: "Costello, Roger L." <costello@m...>
• To: "xml-dev@l..." <xml-dev@l...>
• Date: Wed, 17 Mar 2010 08:44:43 -0400

Hi David,

> I'd definitely buy a book (RARE for me ..) that maps 
> imperative design patterns to declarative patterns.

Is there such a book? Any recommendations?

> What is the intended use case for XQuery with Updates.
> My impression is that the intended use case is to modify an existing XML 
> document 'in place'.

That is my understanding also. However, all updates occur at the end. Thus, I find it helpful to think in terms of "old document" and "new document." For example, "the value of the id attribute is the value of the <Name> element in the old document." 

/Roger

• References:
  • Declarative programming requires a different mindset
    • From: "Costello, Roger L." <costello@m...>
  • RE: Declarative programming requires a different mindset
    • From: "Costello, Roger L." <costello@m...>
  • Re: RE: Declarative programming requires a different mindset
    • From: David <dlee@c...>