Subject: Re: [xsl] efficient traversal of combined collections in XSLT 3.0 From: Graydon <graydon@xxxxxxxxx> Date: Tue, 27 Nov 2012 05:03:18 -0500 |
On Sat, Nov 24, 2012 at 02:04:14PM +0000, Andrew Welch scripsit: > > It doesn't work on the full data set; 16 GB of RAM isn't enough to do this to 4 GB of data. Various wheels are in motion to get more RAM. > > Have a look at saxon:discard-document() > > http://saxonica.com/documentation9.4-demo/html/extensions/functions/discarddocument.html > > "for $x in collection(....) return saxon:discard-document($x)" I had looked at that, and I was using it wrong so it wouldn't let go. saxon:discard-document($x)//link[@cite[normalize-space()] is legal syntax and provides the expected results but apparently confuses the processor about when it can let go if there's a subsequent reference to content in $x, even if there's a distinct collection statement for that second chunk of content. > Also, I'd separate out the process into two transforms, the first to > construct some xml containing document uris and the links, then the > 2nd to check if the target exists. The intermediate-document approach works much better than the stuff-this-in-a-variable approach. I find that a bit counter-intuitive, but am going to remember it for cases on this sale. Thank you! -- Graydon
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