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RE: Text Sort Problem

2005-09-10 02:51:57
boolean(pb_number) returns true if the node pb_number exists and has no
content. I suspect you want a function that returns false for this case: for
example boolean(string(pb_number)) or perhaps
boolean(normalize-space(pb_number)).

Michael Kay
http://www.saxonica.com/ 

-----Original Message-----
From: KrustyDerClown [mailto:KrustyDerClown(_at_)gmx(_dot_)de] 
Sent: 10 September 2005 08:44
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] Text Sort Problem

Hello,

sorry for the late answer. My problem is not solved. Maybe i 
am too stupid.

There is also a little change in my problem. I sort not with 
data-type=number, but with the data-typ=text.

My code looks like this: (pb_number is not really a number. 
Its a number 
with a prefix like PB9999, therefore the sort with data-typ=text)

<xsl:for-each select="row">
<xsl:sort select="boolean(pb_number)" order="descending"/>
<xsl:sort select="pb_number" data-type="text"/>
<tr>
<td>
<xsl:value-of select="string"/>

Result:

Entries with empty sequenz
CR90
CR99
PR90

So still the problem is that the entries with an empty 
sequenz as pb_number 
are shown first in the table.

Can anyone help again ?

Thank you for your support.

Greets Oliver

----- Original Message ----- 
From: "David Carlisle" <davidc(_at_)nag(_dot_)co(_dot_)uk>
To: <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>
Sent: Thursday, August 25, 2005 12:25 AM
Subject: Re: [xsl] Text Sort Problem



I have a similar problem (with data-type=number) a short 
time ago ... but
the solution at that time doesnt work here for this 
current problem.

the solution I posted (negating the sort key) doesn't work for non
numeric keys, but the solution Mike posted (which was probably more
sensible anyway) does work here. Just have an initial 
xsl:sort that is
select="boolean(my_text)"
as that will sort everything as either "true" or "false" 
depending on
whether my_text selects any nodes. so you can then specify 
ascending or
descending to control whether the empty case ("false") 
sorts before or
after the non-empty case ("true")

David


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