index-of() behavior

[Geert Josten]

Hi Joe,

I wouldn't be surprised when index-of() happens to work on atomic values only. I think using the 'at' keyword of the for loop is much easier:

for $child at $index in $content/y
return
     <result>{$index}</result>

Kind regards,
Geert

>


Drs. G.P.H. Josten
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> From: http://x-query.com/mailman/listinfo/talk
> [mailto:http://x-query.com/mailman/listinfo/talk] On Behalf Of Joe Wicentowski
> Sent: donderdag 19 maart 2009 16:28
> To: http://x-query.com/mailman/listinfo/talk
> Subject:  index-of() behavior
>
> Hi all,
>
> Can anyone shed some light on the following question?  I'm
> trying to use fn:index-of() to derive the sequential
> appearance of elements -- in this case, I have 2 <y>
> elements, and I want index-of() to return the values 1 and 2:
>
> <results>{
> let $content :=
>     <x>
>         <y n="1">z</y>
>         <y n="2">z</y>
>     </x>
> for $child in $content/y
> let $index := fn:index-of($content/y, $child) return
>     <result>{$index}</result>
> }</results>
>
> I expected this to return:
>
> <results>
>    <result>1</result>
>    <result>2</result>
> </results>
>
> but instead it returns:
>
> <results>
>    <result>1 2</result>
>    <result>1 2</result>
> </results>
>
> If, on the other hand, I change $content to
>
>     <x>
>         <y n="1">z1</y>
>         <y n="2">z2</y>
>     </x>
>
> Then I get my desired result.  Shouldn't fn:index-of() index
> against the unique <y> nodes rather than their text content?
> I've tested this in eXist 1.3 and in oXygen (using Saxon 9).
>
> Thanks,
> Joe
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