RE: sum() with decimal-separator ","

> The problem is that I have to use a decimal format with
> decimal-separator=",":
> 		<row>
> 			<BUCHWERTBW>43023,7</BUCHWERTBW>
> 		</row>
>

Is this a wise decision? This isn't a lexical representation of any
numeric data type supported by XML Schema, and therefore you're cutting
yourself off from what tools will support natively. (XML Schema made the
decision that XML documents shouldn't be storing data in localized
formats, localization should be done at the point where the data is
presented to human beings).
 
> so the result is NaN. How can I use the function sum() with 
> an decimal-separator like "," ?
> 

This is the same problem as summing over (@price*@qty), in fact over any
value that is computed rather than stored. There's a range of solutions,
which extend from doing it in two passes (via a temporary tree), to
writing your own recursion over the elements, using a higher-order
extension function such as saxon:sum(), or using Dimitre's FXSL library.

In XPath 2.0 of course you can do

sum(for $x in row/BUCHWERTBW return xs:decimal(translate($x, ',', '.')))

Michael Kay


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