Re: Strange error: Unknown collation

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Subject: Re: Strange error: Unknown collation
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Fri, 09 Jan 2009 09:55:17 -0500

Hi,

One subtlety is that max(1,2) has two arguments, and the sequence from which the maximum is returned needs to be given in a single argument (the first). So max((1,2)) would return "2".

It's extra subtle since a second argument may be given to max() to provide a collation. 2 doesn't appear to be a known collation. :->

(The warning could be spurious, disappearing when the first thing is fixed, or it could be real; it depends on stuff we haven't seen.)

Cheers,
Wendell

At 09:17 AM 1/9/2009, you wrote:

peter verhaar wrote:
The following 2 lines:
                <xsl:variable name="notImportant" select="(1,2)"/>
                <xsl:variable name="errorProducingLine"
select="sum(for $a in $notImportant return number(max(1,2)))"/>
Are producing an error/warning on the closing bracket of the second line:
Error: FOCH0002: Unknown collation
Warning: SXWN9001: A variable with no following sibling instructions
has no effect
Can you tell us which version of which XSLT processor you use? I think the error http://www.w3.org/TR/xpath-functions/#ERRFOCH0002 means that the XSLT processor does not support the collation needed for the max comparison. The warning seems to indicate that the template has the xsl:variable but no instruction following that could use the variable.

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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
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Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
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Strange error: Unknown collation peter verhaar - 9 Jan 2009 14:05:21 -0000 Martin Honnen - 9 Jan 2009 14:17:30 -0000 peter verhaar - 9 Jan 2009 14:42:03 -0000 Wendell Piez - 9 Jan 2009 14:56:30 -0000 <=

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