xml-dev - node identity in XQuery

node identity in XQuery

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To: xml-dev@lists.xml.org
Subject: node identity in XQuery
From: takeha-e <takeha-e@is.aist-nara.ac.jp>
Date: Sat, 23 Mar 2002 13:39:18 +0900 (JST)


Hi. 

I tried some XQuery implementations(Kawa, MS XQuery Demo).
But, node identity function (==, !==) has not been implemented yet.

Is it difficult to implement node identity in XQuery data model?

I think we need unique node identifiers for all nodes in large XML
Repository.
And, it's difficult to identify all nodes efficiently if there happened
update of XML Repository.


Takeharu Eda

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