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RE: AW: how to "save" a context?

2003-01-20 12:51:30

That is, for every node (not an attribute or a namespace), 
the following pair identifies it uniquely:

(count(ancestor::node()), count(preceding::node()))

For an attribute node or a namespace node this becomes the tripple:

(name(), count(../ancestor::node()), count(../preceding::node()))



Finding the node from its id has an efficient implementation 
using keys.


Only if you ignore the cost of building the index, which is likely to be
horrendous.

I missed the beginning of this thread, why can't you use generate-id()?

Michael Kay
Software AG
home: Michael(_dot_)H(_dot_)Kay(_at_)ntlworld(_dot_)com
work: Michael(_dot_)Kay(_at_)softwareag(_dot_)com 


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