Thanks for the help!
I played around with keys for a while and finde them quite usefull.
But so far I've not discoverred a way to solve the 'distinct' problem.
I've the feeling that I don'nt get the point. What do I have to do?
Thanks, Jan
-----Ursprüngliche Nachricht-----
Von: M. David Peterson [mailto:m(_dot_)david(_at_)mdptws(_dot_)com]
Gesendet: Mittwoch, 3. November 2004 14:52
An: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Betreff: Re: [xsl] "SQL distinct" like applying of templates
news(_at_)swisslab(_dot_)de wrote:
Sounds like a perfect time to visit JeniTennison.com and learn about
grouping using a variety of methods, the one in particular that you will
need to focus on involves using the key element and key function coupled
with the generate-id() function to compare the nodes of a resulting
node-set() to see if they are the first in the resulting list of
elements with the same value....
I would start at the beginning of her site though and spend a good hour
or two getting a feel for how things are layed out and for her style of
teaching. Jeni is one of the most thorough teachers you will ever
encounter and stands right next to Dr. Michael Kay, David Carlisle, et.
Al. as far as her understanding and expertise of both the language and
the technique involved in creating well thought through (and therefore
extremely robust) solutions that perform the desired task in the most
efficient manner possible.
If you still have questions after running through her grouping tutorials
then I can assure you that any of the members of this list with the
proper knowledge will be more than happy to help you further... again,
the site is http://www.jenitennison.com/ .. click on "Jeni's XSLT
Pages" and look through the directory for "Grouping" related
tutorials... the time you spend there now will return to you a hundred
fold in future XSLT development as you will have more than an
understanding of how to do the grouping of distinct elements as Jeni
will help you understand the foundation of the prescribed solution and
as such help you understand other areas to apply this knowledge as well.
Another GREAT site is Dave Pawsons XSLT FAQ... a well organized and code
heavy site in which he has been indexing the solutions developed by
members of this list since its inception over 5 years ago... you can
find the FAQ from the main entry point at http://dpawson.co.uk/
And I will not have done my duty as a student of the master if I dont
mention Dr. Kays developers reference... if you dont already have a copy
visit
http://www.amazon.com/exec/obidos/ASIN/0764543814/qid=1099489823/sr=2-3/ref=
pd_ka_b_2_3/104-2547459-4054318
and pick up a copy of XSLT 2nd Edition to start... XSLT 2.0 (the third
edition of his XSLT titles) is out now but it seems you are in need of
XSLT 1.0 info and this first one is the correct title for 1.0 based
transformations.
Best of luck to you!
<M:D/>
I have a list, with many elements having equal names. The values of the
items are strings.
I want to select each different string exactly one time. Just like in SQL
while using the "distinct" option.
Example:
<list>
<item>string1</item>
<item>string2</item>
<item>string2</item>
<item>string3</item>
</list>
I want to get the following list, omitting the second node with the value
"String2".
string1
string2
string3
Is this possible woth XSLT, and how?
thanks a lot!
jan
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