Conditional Grouping Problem

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Subject: Conditional Grouping Problem
From: Jonathan Kart <jkart@xxxxxxxxxxxx>
Date: Tue, 25 May 2004 19:52:14 -0700

Hi all,

I have an interesting grouping issue. I have xml like:

<product>
	<buyer>John Q. Public</buyer>
	<name>Our Best Widget</name>
</product>
<product>
	<buyer>John Dow</buyer>
	<name>Our Best Widget</name>
</product>
<product>
	<buyer>John Q. Public</buyer>
	<name>Our Worst Widget</name>
</product>
<product>
	<buyer>Jane Doe</buyer>
	<name>Our Best Widget</name>
</product>
<product>
	<buyer>Jill Doe</buyer>
	<name>Our Worst Widget</name>
</product>


I am trying to to group in 2 sections.
section 1: by product name
section 2: by product buyer

Here's the rub, section 1 is for all buyers who only purchased 1 product. Section 2 is for all buyers who buy multiple products. The final output should look like:  <name>Our Best Widget</name> <buyer>Jane Doe</buyer> <buyer>John Doe</buyer> <name> Our Worst Widget</name> <buyer>Jill Doe</buyer>

<!-- multiple buyers by buyer -->
<buyer>John Q. Public</buyer>
	<name>Our Best Widget</name>
	<name>Our Worst Widget</name>

If we focus on section 1 for now, I'm using the Muenchian Method with a key like: <xsl:key name="product-by-name" match="Product" use="name" /> How can I modify this key to match only products which are part of a single order (the Product's buyer only bought 1 item)? I'm stretching my xsl knowledge here..

I assume if i can figure this out i can use the same method for section 2. Thanks for any help, -jonathan

Current Thread
Conditional Grouping Problem Jonathan Kart - Tue, 25 May 2004 19:52:14 -0700 <= James A. Robinson - Tue, 25 May 2004 20:51:17 -0700 Ramkumar Menon - Wed, 26 May 2004 13:55:23 +0530

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