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Topic

kensky schulz

Subject: Filtering multiple values from xquery
Author: kensky schulz
Date: 26 Apr 2006 09:25 AM

Hello,

I am pretty new to xquery. I have following xml instances.

<?xml version="1.0" encoding="UTF-8"?>
<customerinfo>
<customer>
<name>Kensky</name>
<address>BrandenBerg</address>
<phone>
<home>0012456587
</home>
<office>0014654867
</office>
</phone>
<salary>6000</salary>
</customer>
<customer>
<name>Sebastian</name>
<address>U-Berg</address>
<phone>
<home>0112456587
</home>
<office>00134654867
</office>
</phone>
<salary>3000</salary>
</customer>
<customer>
<name>Ryan</name>
<address>Bayern</address>
<phone>
<home>001223456587
</home>
<office>00146344867
</office>
</phone>
<salary>5000</salary>
</customer>
</customerinfo>

I want to get all customers whose salary > 2000. the query seems to be simple but the problem lies when I want to return multiple attributes.
For example the query should return customer name, customer address, and that whole xml instance. I dont know how to achieve this in xquery.

Thanks in advance.
Kensky

Minollo I.

Subject: Filtering multiple values from xquery
Author: Minollo I.
Date: 26 Apr 2006 09:44 AM

Something like:

for $richCustomer in //customer
where $richCustomer/salary > 2000
return
<richCustomer>
{ $richCustomer/name, $richCustomer/address, $richCustomer/phone }
</richCustomer>

kensky schulz

Subject: Filtering multiple values from xquery
Author: kensky schulz
Date: 26 Apr 2006 10:12 AM

Thanks for reply.

Here in your XQuery it will return three different attributes. name, salary etc. My question is I want to return $richCustomer/name, $richCustomer/salary, and $richCustomer itself. This customer example is simple but what if we have very complex document.

Thanks in advance.

Minollo I.

Subject: Filtering multiple values from xquery
Author: Minollo I.
Date: 26 Apr 2006 10:25 AM

I'm not sure I understand your question; the example in question shows you how you can copy elements to the result sequence. Copying elements (like $richCustomer, for example) will copy its subelements recursively, if that's what you need.

Minollo

kensky schulz

Subject: Filtering multiple values from xquery
Author: kensky schulz
Date: 26 Apr 2006 04:00 PM

I got the solution. Yes I wanted to have contents of $richCustomer along with its children.

So here is the example using $c in place of $richCustomer,

for $c in collection("customerContainer") where $c//salary > 2000 return <cname>{$c//cname}</cname>,<salary>{$c//salary}</salary>,<wholeDoc>{$c}</wholeDoc>

in fact your query gave me the idea to solve this issue.

Thanks for advice,

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