XML Editor
Sign up for a WebBoard account Sign Up Keyword Search Search More Options... Options
search
Chat Rooms Chat Help Help News News Log in to WebBoard Log in Not Logged in
Home » Boards » Stylus Studio Developer Network » XQuery Help and Discussion » Find the parent who doesn't have a particular child
Conferences Close Tree View
+ Stylus Studio Feature Requests (1192)
+ Stylus Studio Technical Forum (14621)
+ Website Feedback (249)
+ XSLT Help and Discussion (7625)
- XQuery Help and Discussion (2017)
-> + Little Help :))) (2)
-> + Xquery tag position (2)
-> - Can I connect to MonetDB/XQuer... (1)
-> + Is there a way to format a num... (2)
-> + Please help convert SQL query ... (3)
-> + Connect to SQL Server Express ... (3)
-> - Convert HTML to XML within C# ... (1)
-> + return different result based ... (7)
-> + Java Heap Space (2)
-> + XQuery Results export to multi... (3)
-> + NO RETURN (5)
-> + Part of a csv into a current X... (3)
-> + How to escape ampersand in xqu... (2)
-> + How to Convert CSV lines to in... (5)
-> + Data connection Stylus Studio ... (2)
-> + Nested XQuery FLOWRs with RDBM... (3)
-> + observing xquery at work (2)
-> + alternative for 'exists' (4)
-> + Xquery and webpages how? (2)
-> + Help with another DataDirect p... (5)
-- Previous [121-140] [141-160] [161-180] Next
+ Stylus Studio FAQs (159)
+ Stylus Studio Code Samples & Utilities (364)
+ Stylus Studio Announcements (113)
Topic  
Postnext
Kam ChanSubject: Find the parent who doesn't have a particular child
Author: Kam Chan
Date: 06 Jul 2009 05:28 PM
I have a simple question, hope that you can answer quickly.

I am trying to write a simple function that takes an argument of the name of a child, and look for the parent node that doesn't have this child.

For example"
declare variable $system :=
<root>
<a>
<b>b2</b>
<c>c1</c>
</a>
<a>
<b>b2</b>
<d/>
</a>
</root>;

declare function local:getParentOfNonExistentChild($system as element(), $bValue as xs:string, $childName as xs:string) as element()*
{
$system//*[b/text() = $bValue][not($childName)]
};

<result>
{ local:getParentOfNonExistentChild($system treat as element(), "b2", "d") }
</result>

In this example the function accepts the name of the child. When I pass in "d" as the child name, it should have returned the first <a> parent, but the function always return empty.

This appears to be a variable substitution problem with the $childName.
How should I write this?

Thanks in advance.

Kam
Postnext
Ivan PedruzziSubject: Find the parent who doesn't have a particular child
Author: Ivan Pedruzzi
Date: 07 Jul 2009 02:09 AM

declare function local:getParentOfNonExistentChild(
$system as element(),
$bValue as xs:string,
$childName as xs:string) as element()*
{
$system//*[b/text() = $bValue and not(.//*[local-name() = $childName ])]
};


Ivan Pedruzzi
Stylus Studio Team
Posttop
Kam ChanSubject: Find the parent who doesn't have a particular child
Author: Kam Chan
Date: 07 Jul 2009 10:18 AM
Ivan,

Thank you, that is working.

Kam
   
Download A Free Trial of Stylus Studio 6 XML Professional Edition Today! Powered by Stylus Studio, the world's leading XML IDE for XML, XSLT, XQuery, XML Schema, DTD, XPath, WSDL, XHTML, SQL/XML, and XML Mapping!  
go

Log In Options

Site Map | Privacy Policy | Terms of Use | Trademarks
Stylus Scoop XML Newsletter:
W3C Member
Stylus Studio® and DataDirect XQuery ™are from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2016 All Rights Reserved.