Re: Scope of uniqueness of generate-id()

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Subject: Re: Scope of uniqueness of generate-id()
From: John Snelson <john.snelson@xxxxxxxxxx>
Date: Thu, 20 Nov 2008 17:12:34 +0000

Vladimir Nesterovsky wrote:

Until today I was thinking that xslt functions have no side effects (provided extensions are not considered). It has turned out that this is not correct. That changes the picture (at least for me). Many possible optimizations are not safe.

It's not that bad. You just have to be careful in expressions where nodes are created and the results of the expression rely on properties related to the node ID. In practice that doesn't happen that often.

John

--
John Snelson, Oracle Corporation            http://snelson.org.uk/john
Berkeley DB XML:            http://oracle.com/database/berkeley-db/xml
XQilla:                                  http://xqilla.sourceforge.net

Current Thread
Re: Scope of uniqueness of generate-id(), (continued) David Carlisle - 20 Nov 2008 13:14:02 -0000 Florent Georges - 20 Nov 2008 14:04:18 -0000 Vladimir Nesterovsky - 20 Nov 2008 16:53:57 -0000 Michael Kay - 20 Nov 2008 17:06:08 -0000 John Snelson - 20 Nov 2008 17:13:07 -0000 <=

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RE: Scope of uniqueness of ge, Michael Kay	Thread	grouping-problem i guess, Szabo, Patrick (LNG-
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