[xquery-talk] avoid divide by zero

David Carlisle davidc at nag.co.uk
Thu May 25 10:40:19 PDT 2006

> I have a statement that might cause divide by zero, is
> there any statement to replace zero by one when it
> occurs. 

... div (let $x := ...... return if ($x = 0) then 1 else $x)

or if you know the expression is non-negative, as here, then more simply:

... div max((.... , 1))


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