Subject: Re: [xsl] Testing if an attribute name is in a list of names From: "Paul A. Hoadley" <paulh@xxxxxxxxxxxxxx> Date: Fri, 20 May 2005 12:55:06 +0930 |
Hi Aron, On Thu, May 19, 2005 at 01:28:23PM +0000, Aron Bock wrote: > >if attribute-name is in list-of-attribute-names > > output attribute-value > > This is what i posted does, in set-based fashion, to use a SQL term. > What you indicated originally was more "cursor based". Yes, I suppose you are right. I guess I'm just fixating on the nested for-eachs, since you're collecting the (column name) attributes from the source tree on each iteration, aren't you? That just feels expensive to me. Maybe it's not. > >Where list-of-attribute names is generated once in advance. Then > >it would be just O(n) where n is the number of rows. > > Sure, just pre-select them into a variable, and use that in the > inner loop. OK, that's more like what I was thinking of. In fact, I tried to do that and failed. (I think your next post gives an implementation.) -- Paul. w http://logicsquad.net/ h http://paul.hoadley.name/
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