Von: Truong An Nguyen <ngtruongan@gmail.com>

Betreff: Re: [basex-talk] Error by retrieving an attribute of the element returned by the root function

Datum: 21. November 2011 14:38:51 MEZ

An: Lukas Lewandowski <lukas.lewandowski@uni-konstanz.de>

Thanks very much for your response.

How can I use "instance of" with Basex? I can not do: $a instance of Action. Action an abstract ComplexType.

Thanks

An

On Mon, Nov 21, 2011 at 10:34 AM, Lukas Lewandowski <lukas.lewandowski@uni-konstanz.de> wrote:

Hi An,

the root function returns the root of the tree to which the current node belongs, usually be a document node. You can retrieve the attribute according to your root element e.g. by $otx/ROOT_ELEMENT/@package, where ROOT_ELEMENT ist the root element of your document.

Lukas

2011/11/21 Truong An Nguyen <ngtruongan@gmail.com>

Hi,

In my xquery, I use the root() function to return the root element of an element. I could get the root element,  but I couldn't get any attributes of it.

For example: 

for $value in collection()/otx/imports/import

let $otx:=root($value)                         

return $otx/@package

Thanks

Cheers,

An

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