Subject: RE: XSL controversy From: "Sebastian Rahtz" <sebastian.rahtz@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Date: Sun, 8 Aug 1999 21:05:16 +0100 (BST) |
Didier PH Martin writes: > Optimism is a good thing but according to laws of probabilities you have now > 50% chances that this scenario will happen and 50% this scenario won't. (or > if you take different premises this could be different) I may also say that > because my future is not yet happened that I will be as rich as Gate is Oracle will implement the scenario if enough people ask for it; the chances of you being rich as Bill are much much smaller..... > Now about the premises of XSL and Oracle. You scenario would implied that we > do a query to the Oracle data base, apply on the returned data set (i.e. a > XML document) a XSL script. The XSL script will have to pull data from more > than one document and not only from the returned document. The basis to all no. My imaginary XSL script operates on a tree called $X. Currently, $X is built in memory from parsing a text XML file, but in XWorld, it a tree representing a portion of my database (I extracted a subset with a conventional SQL query, maybe). My "id(@foo)" operates within $X, and works just like in current XSL processing. > Also about your comment on id("Cuchulain"), we have to suppose that the > processing is to be done on a single table and that all elements are > identified by their primarily key. This latter has to be unique. Now we have > to check that Oracle 8 returns a data set with the primarily key embedded as > an element's attribute so, maybe I am using 'key("Cuchulain")', not id(). Its not unreasonable to suppose that my initial definition of $X, on which my script is to operate, has the Irish parliament members in some subtree, uniquely identified. > not existing yet. We don't know if that will exist one day in the XSL world. > It is probable that a data base vendor will do it, but not necessarily > Oracle. Oracle may do it but we don't know when. Too much maybes and perhaps > for me. its not half as bad as the lottery. I was basing my suppositions on published statements by Oracle people about how they see the future. Of course, they may not implement it, but unless I completely misunderstood, they plan to let me access my Oracle database using XSL. Whether they do or not, it seems a feasible plan. perhaps the Oracle guy who is on this list should comment, not me! Sebastian XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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