[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: Having trouble with key() function and the top pa

Subject: Re: Having trouble with key() function and the top parameter
From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 6 Dec 2015 00:53:56 -0000
Re:  Having trouble with key() function and the top  pa
> Why does this not work the way I want it to?

Because you are using a buggy (non-compliant) XSLT 2.0 processor.

With Saxon 9.6J I get the correct output.

Cheers,
Dimitre

On Sat, Dec 5, 2015 at 3:34 PM, Marvin NotMyRealNameDuh
marvin.the.paranoid@xxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
wrote:

> Hi,
>
>     Here is my testcase:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> version="2.0">
>
>     <xsl:output method="xml" indent="yes" />
>
>     <xsl:key name="lookup" match="table" use="@object-id" />
>
>     <xsl:template match="/">
>         <xsl:variable name="old">
>             <model>
>                 <schema name="ow_ent">
>                     <table name="x" object-id="a" />
>                     <table name="z" object-id="b" />
>                 </schema>
>                 <schema name="ow_lnk">
>                     <table name="y" object-id="a" />
>                 </schema>
>             </model>
>         </xsl:variable>
>
>         <xsl:for-each select="$old/model/schema[@name = 'ow_ent']/table">
>             <xsl:variable name="table-id" select="@object-id" />
>             <xsl:for-each select="key('lookup', $table-id,
> $old/model/schema[@name = 'ow_ent'])">
>                 <xsl:message>Found table <xsl:value-of select="@name"
> /></xsl:message>
>             </xsl:for-each>
>             <xsl:message>----------  The way it should work
> -----------</xsl:message>
>             <xsl:for-each select="key('lookup',
> $table-id)[ancestor::schema/@name = 'ow_ent']">
>                 <xsl:message>Found actual table <xsl:value-of
> select="@name" /></xsl:message>
>             </xsl:for-each>
>
>         </xsl:for-each>
>
>     </xsl:template>
>
> </xsl:stylesheet>
>
>
>     The usage of key() above the "The way it should work" message uses the
> "top" argument to the function. The XSL spec says that the nodes returned
> by the key() function will be the nodes selected by the first two arguments
> of key() such that their ancestors intersect with the "top" argument. So,
> key('lookup', 'a') in the context of /model/schema[@name = 'ow_ent'] should
> only find /model/schema[@name = 'ow_ent']/table[@name = x] . Instead it is
> finding /model/schema[@name = 'ow_lnk']/table[@name = 'y'] as well.
>
>     Why does this not work the way I want it to?
>
> Thanks,
> Marvin the Paranoid
> XSL-List info and archive <http://www.mulberrytech.com/xsl/xsl-list>
> EasyUnsubscribe <-list/782854> (by
> email <>)
>



-- 
Cheers,
Dimitre Novatchev
---------------------------------------
Truly great madness cannot be achieved without significant intelligence.
---------------------------------------
To invent, you need a good imagination and a pile of junk
-------------------------------------
Never fight an inanimate object
-------------------------------------
To avoid situations in which you might make mistakes may be the
biggest mistake of all
------------------------------------
Quality means doing it right when no one is looking.
-------------------------------------
You've achieved success in your field when you don't know whether what
you're doing is work or play
-------------------------------------
To achieve the impossible dream, try going to sleep.
-------------------------------------
Facts do not cease to exist because they are ignored.
-------------------------------------
Typing monkeys will write all Shakespeare's works in 200yrs.Will they write
all patents, too? :)
-------------------------------------
Sanity is madness put to good use.
-------------------------------------
I finally figured out the only reason to be alive is to enjoy it.

Current Thread

PURCHASE STYLUS STUDIO ONLINE TODAY!

Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!

Buy Stylus Studio Now

Download The World's Best XML IDE!

Accelerate XML development with our award-winning XML IDE - Download a free trial today!

Don't miss another message! Subscribe to this list today.
Email
First Name
Last Name
Company
Subscribe in XML format
RSS 2.0
Atom 0.3
Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member
Stylus Studio® and DataDirect XQuery ™are products from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2013 All Rights Reserved.