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Doug LundinSubject: Single row to multiple row transformation?
Author: Doug Lundin
Date: 28 Apr 2006 04:19 PM
Hello,

Being new to XQuery, what I am trying to do may be very simple but I don't even have the language to describe it. So, let me explain as concisely as I can. I believe my XQuery mapping is incorrect.

I would like to take three datapoints and, with an XQuery, map them into a new file with three datapoints. But, my XQuery is smashing all three datapoints into a single datapoint. (Data below)

Am I missing a function?

Thanks in advance!
Doug

Here are my data

XML input:
<?xml version="1.0" encoding="utf-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<table>
<tr>
<td>
<ul>
<li><span class="headline"><a href="http://biz.yahoo.com/bw/060201/20060201006257.html?.v=1">SonoSite
Schedules Fourth Quarter and Year-End Financial Release and
Announces Conference Call</a></span>
</li>
<li><span class="headline"><a href="http://biz.yahoo.com/bw/060201/20060201006254.html?.v=1">Sheila
Kelley's S Factor Launches in Encino,
California</a></span>
</li>
<li><span class="headline"><a href="http://biz.yahoo.com/bw/060201/20060201006252.html?.v=1">Pacific
Commerce Bank Announces Appointment of Brian H. Kelley as Chief
Executive Officer</a></span>
</li>
</ul>
</td>
</tr>
</table>
</body>
</html>


xquery:
declare namespace a = "http://www.w3.org/1999/xhtml";
<transform>
<content_url>
{data(/a:html/a:body/a:table/a:tr/a:td/a:ul/a:li/a:span/a:a/@href)}
</content_url>
</transform>


Results of this operation:
<transform>
<content_url>http://biz.yahoo.com/bw/060201/20060201006257.html?.v=1 http://biz.yahoo.com/bw/060201/20060201006254.html?.v=1 http://biz.yahoo.com/bw/060201/20060201006252.html?.v=1</content_url>
</transform>


I am trying to get:
<transform>
<content_url>http://biz.yahoo.com/bw/060201/20060201006257.html?.v=1</content_url>
<content_url>http://biz.yahoo.com/bw/060201/20060201006254.html?.v=1</content_url>
<content_url>http://biz.yahoo.com/bw/060201/20060201006252.html?.v=1</content_url>
</transform>
Postnext
(Deleted User) Subject: Single row to multiple row transformation?
Author: (Deleted User)
Date: 28 Apr 2006 05:00 PM
Hi Doug

You can try this...

declare namespace a = "http://www.w3.org/1999/xhtml";
<transform>
{
for $v in data(/a:html/a:body/a:table/a:tr/a:td/a:ul/a:li/a:span/a:a/@href)
return
<content_url>
{$v}
</content_url>
}
</transform>


Regards
Srini

You can find a quick primer on XQuery at http://www.stylusstudio.com/xquery_primer.html.

Posttop
Doug LundinSubject: Single row to multiple row transformation?
Author: Doug Lundin
Date: 28 Apr 2006 05:11 PM
That did it - thanks!

I'll work through the tutorials now
   
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