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Home » Boards » Stylus Studio Developer Network » XQuery Help and Discussion » Error: A parameter of the operator is not a single node or empty [err:XPTY0004]
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Julio de la VegaSubject: Error: A parameter of the operator is not a single node or empty [err:XPTY0004]
Author: Julio de la Vega
Date: 19 Dec 2007 08:28 AM
Hi *,

I am getting this error form this part of my code:

{
let $REG_80_510 := $doc/root/REG_80_510
where $REG_80_510 >> $REG_10 and (empty($REG_10/following-sibling::REG_10) or ($REG_80_510 << $REG_10/following-sibling::REG_10[1]))
return
$REG_80_510
}

Could you please help me to understand where problem is?

Regards
Postnext
(Deleted User) Subject: Error: A parameter of the operator is not a single node or empty [err:XPTY0004]
Author: (Deleted User)
Date: 19 Dec 2007 08:40 AM
Hi Julio,
you are using "let" instead of "for"; "let" will assign the entire set of nodes to the variable, and ">>" cannot compare an entire set against a node.

Alberto
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Julio de la VegaSubject: Error: A parameter of the operator is not a single node or empty [err:XPTY0004]
Author: Julio de la Vega
Date: 19 Dec 2007 08:41 AM
Thank you Alberto
   
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